121654912 has 96 divisors (see below), whose sum is σ = 267395040. Its totient is φ = 54996480.

The previous prime is 121654903. The next prime is 121654961. The reversal of 121654912 is 219456121.

It is a super-2 number, since 2×121654912² = 29599835227455488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829163 + ... + 2829205.

It is an arithmetic number, because the mean of its divisors is an integer number (2785365).

Almost surely, 2^121654912 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 121654912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133697520).

121654912 is an abundant number, since it is smaller than the sum of its proper divisors (145740128).

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

121654912 is an equidigital number, since it uses as much as digits as its factorization.

121654912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 99 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 121654912 is about 11029.7285551368. The cubic root of 121654912 is about 495.4994951192.

The spelling of 121654912 in words is "one hundred twenty-one million, six hundred fifty-four thousand, nine hundred twelve".