121251232 has 24 divisors (see below), whose sum is σ = 239486436. Its totient is φ = 60429312.

The previous prime is 121251209. The next prime is 121251281. The reversal of 121251232 is 232152121.

It can be written as a sum of positive squares in 2 ways, for example, as 121088016 + 163216 = 11004^2 + 404^2 .

It is a super-2 number, since 2×121251232² = 29403722523035648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168 + ... + 16120.

Almost surely, 2^121251232 is an apocalyptic number.

It is an amenable number.

121251232 is a deficient number, since it is larger than the sum of its proper divisors (118235204).

121251232 is a wasteful number, since it uses less digits than its factorization.

121251232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280 (or 12272 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 121251232 is about 11011.4137148688. The cubic root of 121251232 is about 494.9508259827.

The spelling of 121251232 in words is "one hundred twenty-one million, two hundred fifty-one thousand, two hundred thirty-two".