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121241304 = 23323771641
BaseRepresentation
bin1110011100111…
…11111011011000
322110010200210200
413032133323120
5222014210204
620010342200
73001351122
oct716377330
9273120720
10121241304
116248a428
123472a960
131c16cc22
1412160212
15a99d539
hex739fed8

121241304 has 96 divisors (see below), whose sum is σ = 342519840. Its totient is φ = 38707200.

The previous prime is 121241293. The next prime is 121241311. The reversal of 121241304 is 403142121.

121241304 is a `hidden beast` number, since 121 + 241 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188824 + ... + 189464.

It is an arithmetic number, because the mean of its divisors is an integer number (3567915).

Almost surely, 2121241304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121241304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171259920).

121241304 is an abundant number, since it is smaller than the sum of its proper divisors (221278536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121241304 is a wasteful number, since it uses less digits than its factorization.

121241304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121241304 is about 11010.9629006731. The cubic root of 121241304 is about 494.9373168254.

Adding to 121241304 its reverse (403142121), we get a palindrome (524383425).

The spelling of 121241304 in words is "one hundred twenty-one million, two hundred forty-one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 71 72 74 111 142 148 213 222 284 296 333 426 444 568 639 641 666 852 888 1278 1282 1332 1704 1923 2556 2564 2627 2664 3846 5112 5128 5254 5769 7692 7881 10508 11538 15384 15762 21016 23076 23643 23717 31524 45511 46152 47286 47434 63048 71151 91022 94572 94868 136533 142302 182044 189144 189736 213453 273066 284604 364088 409599 426906 546132 569208 819198 853812 1092264 1638396 1683907 1707624 3276792 3367814 5051721 6735628 10103442 13471256 15155163 20206884 30310326 40413768 60620652 121241304