121374690 has 32 divisors (see below), whose sum is σ = 293098176. Its totient is φ = 32166720.

The previous prime is 121374653. The next prime is 121374751. The reversal of 121374690 is 96473121.

It is a super-2 number, since 2×121374690² = 29463630745192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7521 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (9159318).

Almost surely, 2^121374690 is an apocalyptic number.

121374690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121374690 is an abundant number, since it is smaller than the sum of its proper divisors (171723486).

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

121374690 is a wasteful number, since it uses less digits than its factorization.

121374690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24994.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 121374690 is about 11017.0181991317. The cubic root of 121374690 is about 495.1187553047.

The spelling of 121374690 in words is "one hundred twenty-one million, three hundred seventy-four thousand, six hundred ninety".