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121361124 = 22328973491
BaseRepresentation
bin1110011101111…
…01001011100100
322110100210011110
413032331023210
5222032023444
620013105020
73002360343
oct716751344
9273323143
10121361124
1162561455
1234788170
131c1b2621
1412191b5a
15a9c3cb9
hex73bd2e4

121361124 has 24 divisors (see below), whose sum is σ = 283354848. Its totient is φ = 40428160.

The previous prime is 121361099. The next prime is 121361129. The reversal of 121361124 is 421163121.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 121361124.

It is not an unprimeable number, because it can be changed into a prime (121361129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33019 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (11806452).

Almost surely, 2121361124 is an apocalyptic number.

It is an amenable number.

121361124 is an abundant number, since it is smaller than the sum of its proper divisors (161993724).

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

121361124 is a wasteful number, since it uses less digits than its factorization.

121361124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6393 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 121361124 is about 11016.4024980935. The cubic root of 121361124 is about 495.1003082098.

The spelling of 121361124 in words is "one hundred twenty-one million, three hundred sixty-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 2897 3491 5794 6982 8691 10473 11588 13964 17382 20946 34764 41892 10113427 20226854 30340281 40453708 60680562 121361124