122153672 has 8 divisors (see below), whose sum is σ = 229038150. Its totient is φ = 61076832.

The previous prime is 122153651. The next prime is 122153677. The reversal of 122153672 is 276351221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 22033636 = 10006^2 + 4694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (122153677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634597 + ... + 7634612.

Almost surely, 2^122153672 is an apocalyptic number.

It is an amenable number.

122153672 is a deficient number, since it is larger than the sum of its proper divisors (106884478).

122153672 is a wasteful number, since it uses less digits than its factorization.

122153672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15269215 (or 15269211 counting only the distinct ones).

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

The square root of 122153672 is about 11052.3152325655. The cubic root of 122153672 is about 496.1757203443.

The spelling of 122153672 in words is "one hundred twenty-two million, one hundred fifty-three thousand, six hundred seventy-two".