121251064 has 16 divisors (see below), whose sum is σ = 248013720. Its totient is φ = 55114080.

The previous prime is 121251047. The next prime is 121251071. The reversal of 121251064 is 460152121.

It is a super-2 number, since 2×121251064² = 29403641042264192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 688839 + ... + 689014.

Almost surely, 2^121251064 is an apocalyptic number.

It is an amenable number.

121251064 is an abundant number, since it is smaller than the sum of its proper divisors (126762656).

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

121251064 is a wasteful number, since it uses less digits than its factorization.

121251064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377870 (or 1377866 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 121251064 is about 11011.4060864178. The cubic root of 121251064 is about 494.9505973891.

The spelling of 121251064 in words is "one hundred twenty-one million, two hundred fifty-one thousand, sixty-four".