122618738 has 12 divisors (see below), whose sum is σ = 202169310. Its totient is φ = 55735680.

The previous prime is 122618729. The next prime is 122618791. The reversal of 122618738 is 837816221.

It can be written as a sum of positive squares in only one way, i.e., 116920969 + 5697769 = 10813^2 + 2387^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253103 + ... + 253586.

Almost surely, 2^122618738 is an apocalyptic number.

122618738 is a deficient number, since it is larger than the sum of its proper divisors (79550572).

122618738 is a wasteful number, since it uses less digits than its factorization.

122618738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506713 (or 506702 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 122618738 is about 11073.3345474613. The cubic root of 122618738 is about 496.8046064220.

The spelling of 122618738 in words is "one hundred twenty-two million, six hundred eighteen thousand, seven hundred thirty-eight".