122737172 has 6 divisors (see below), whose sum is σ = 214790058. Its totient is φ = 61368584.

The previous prime is 122737129. The next prime is 122737183. The reversal of 122737172 is 271737221.

It can be written as a sum of positive squares in only one way, i.e., 80928016 + 41809156 = 8996^2 + 6466^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15342143 + ... + 15342150.

It is an arithmetic number, because the mean of its divisors is an integer number (35798343).

Almost surely, 2^122737172 is an apocalyptic number.

It is an amenable number.

122737172 is a deficient number, since it is larger than the sum of its proper divisors (92052886).

122737172 is a wasteful number, since it uses less digits than its factorization.

122737172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30684297 (or 30684295 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 122737172 is about 11078.6809684186. The cubic root of 122737172 is about 496.9645048312.

The spelling of 122737172 in words is "one hundred twenty-two million, seven hundred thirty-seven thousand, one hundred seventy-two".