122732156 has 6 divisors (see below), whose sum is σ = 214781280. Its totient is φ = 61366076.

The previous prime is 122732143. The next prime is 122732161. The reversal of 122732156 is 651237221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15341516 + ... + 15341523.

It is an arithmetic number, because the mean of its divisors is an integer number (35796880).

Almost surely, 2^122732156 is an apocalyptic number.

It is an amenable number.

122732156 is a deficient number, since it is larger than the sum of its proper divisors (92049124).

122732156 is a wasteful number, since it uses less digits than its factorization.

122732156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30683043 (or 30683041 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 122732156 is about 11078.4545853652. The cubic root of 122732156 is about 496.9577347878.

Adding to 122732156 its reverse (651237221), we get a palindrome (773969377).

The spelling of 122732156 in words is "one hundred twenty-two million, seven hundred thirty-two thousand, one hundred fifty-six".