122611664 has 20 divisors (see below), whose sum is σ = 271497504. Its totient is φ = 52547808.

The previous prime is 122611663. The next prime is 122611669. The reversal of 122611664 is 466116221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122611663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547262 + ... + 547485.

Almost surely, 2^122611664 is an apocalyptic number.

122611664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122611664 is an abundant number, since it is smaller than the sum of its proper divisors (148885840).

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

122611664 is a wasteful number, since it uses less digits than its factorization.

122611664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094762 (or 1094756 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 122611664 is about 11073.0151268749. The cubic root of 122611664 is about 496.7950525169.

Adding to 122611664 its reverse (466116221), we get a palindrome (588727885).

The spelling of 122611664 in words is "one hundred twenty-two million, six hundred eleven thousand, six hundred sixty-four".