122621672 has 16 divisors (see below), whose sum is σ = 230704740. Its totient is φ = 61100416.

The previous prime is 122621659. The next prime is 122621689. The reversal of 122621672 is 276126221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89605156 + 33016516 = 9466^2 + 5746^2 .

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, 23813 + ... + 28500.

Almost surely, 2^122621672 is an apocalyptic number.

It is an amenable number.

122621672 is a deficient number, since it is larger than the sum of its proper divisors (108083068).

122621672 is a wasteful number, since it uses less digits than its factorization.

122621672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52612 (or 52608 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 122621672 is about 11073.4670270878. The cubic root of 122621672 is about 496.8085688754.

Adding to 122621672 its reverse (276126221), we get a palindrome (398747893).

The spelling of 122621672 in words is "one hundred twenty-two million, six hundred twenty-one thousand, six hundred seventy-two".