121274492 has 24 divisors (see below), whose sum is σ = 233116800. Its totient is φ = 54947376.

The previous prime is 121274471. The next prime is 121274497. The reversal of 121274492 is 294472121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121274497) by changing a digit.

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, 32942 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (9713200).

Almost surely, 2^121274492 is an apocalyptic number.

It is an amenable number.

121274492 is a deficient number, since it is larger than the sum of its proper divisors (111842308).

121274492 is a wasteful number, since it uses less digits than its factorization.

121274492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69425 (or 69423 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 121274492 is about 11012.4698410484. The cubic root of 121274492 is about 494.9824732767.

The spelling of 121274492 in words is "one hundred twenty-one million, two hundred seventy-four thousand, four hundred ninety-two".