122650644 has 24 divisors (see below), whose sum is σ = 286384000. Its totient is φ = 40855104.

The previous prime is 122650637. The next prime is 122650667. The reversal of 122650644 is 446056221.

It is a super-2 number, since 2×122650644² = 30086360947229472, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 21432 + ... + 26544.

Almost surely, 2^122650644 is an apocalyptic number.

It is an amenable number.

122650644 is an abundant number, since it is smaller than the sum of its proper divisors (163733356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122650644 is a wasteful number, since it uses less digits than its factorization.

122650644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119 (or 7117 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 122650644 is about 11074.7751218704. The cubic root of 122650644 is about 496.8476930209.

The spelling of 122650644 in words is "one hundred twenty-two million, six hundred fifty thousand, six hundred forty-four".