121974356 has 24 divisors (see below), whose sum is σ = 245876736. Its totient is φ = 51861600.

The previous prime is 121974343. The next prime is 121974383. The reversal of 121974356 is 653479121.

It is a super-2 number, since 2×121974356² = 29755487043229472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13595 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (10244864).

Almost surely, 2^121974356 is an apocalyptic number.

It is an amenable number.

121974356 is an abundant number, since it is smaller than the sum of its proper divisors (123902380).

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

121974356 is a wasteful number, since it uses less digits than its factorization.

121974356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34439 (or 34437 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 121974356 is about 11044.2001068434. The cubic root of 121974356 is about 495.9328136970.

The spelling of 121974356 in words is "one hundred twenty-one million, nine hundred seventy-four thousand, three hundred fifty-six".