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121001232 = 243111012269
BaseRepresentation
bin1110011011001…
…01010100010000
322102200111111010
413031211110100
5221434014412
620001250520
72666331162
oct715452420
9272614433
10121001232
1162336020
1234633a40
131c0b7881
14120da932
15a95233c
hex7365510

121001232 has 80 divisors (see below), whose sum is σ = 344531520. Its totient is φ = 36288000.

The previous prime is 121001213. The next prime is 121001239. The reversal of 121001232 is 232100121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (121001239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52194 + ... + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (4306644).

Almost surely, 2121001232 is an apocalyptic number.

121001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172265760).

121001232 is an abundant number, since it is smaller than the sum of its proper divisors (223530288).

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

121001232 is a wasteful number, since it uses less digits than its factorization.

121001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121001232 is about 11000.0559998575. The cubic root of 121001232 is about 494.6104229913.

Adding to 121001232 its reverse (232100121), we get a palindrome (353101353).

The spelling of 121001232 in words is "one hundred twenty-one million, one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 101 132 176 202 264 303 404 528 606 808 1111 1212 1616 2222 2269 2424 3333 4444 4538 4848 6666 6807 8888 9076 13332 13614 17776 18152 24959 26664 27228 36304 49918 53328 54456 74877 99836 108912 149754 199672 229169 299508 399344 458338 599016 687507 916676 1198032 1375014 1833352 2520859 2750028 3666704 5041718 5500056 7562577 10083436 11000112 15125154 20166872 30250308 40333744 60500616 121001232