122147664 has 40 divisors (see below), whose sum is σ = 329270592. Its totient is φ = 38945280.

The previous prime is 122147653. The next prime is 122147671. The reversal of 122147664 is 466741221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54217 + ... + 56424.

Almost surely, 2^122147664 is an apocalyptic number.

It is an amenable number.

122147664 is an abundant number, since it is smaller than the sum of its proper divisors (207122928).

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

122147664 is a wasteful number, since it uses less digits than its factorization.

122147664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110675 (or 110669 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 122147664 is about 11052.0434309679. The cubic root of 122147664 is about 496.1675855838.

Adding to 122147664 its reverse (466741221), we get a palindrome (588888885).

The spelling of 122147664 in words is "one hundred twenty-two million, one hundred forty-seven thousand, six hundred sixty-four".