122660144 has 20 divisors (see below), whose sum is σ = 239760696. Its totient is φ = 60786432.

The previous prime is 122660137. The next prime is 122660191. The reversal of 122660144 is 441066221.

It is a super-2 number, since 2×122660144² = 30091021852201472, 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, 32114 + ... + 35729.

Almost surely, 2^122660144 is an apocalyptic number.

It is an amenable number.

122660144 is a deficient number, since it is larger than the sum of its proper divisors (117100552).

122660144 is a wasteful number, since it uses less digits than its factorization.

122660144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67964 (or 67958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 122660144 is about 11075.2040161796. The cubic root of 122660144 is about 496.8605205965.

The spelling of 122660144 in words is "one hundred twenty-two million, six hundred sixty thousand, one hundred forty-four".