122652491 has 16 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 107865120.

The previous prime is 122652487. The next prime is 122652511. The reversal of 122652491 is 194256221.

It is a cyclic number.

It is not a de Polignac number, because 122652491 - 2² = 122652487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122652991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92330 + ... + 93648.

It is an arithmetic number, because the mean of its divisors is an integer number (8648640).

Almost surely, 2^122652491 is an apocalyptic number.

122652491 is a deficient number, since it is larger than the sum of its proper divisors (15725749).

122652491 is a wasteful number, since it uses less digits than its factorization.

122652491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 8640, while the sum is 32.

The square root of 122652491 is about 11074.8585092542. The cubic root of 122652491 is about 496.8501870235.

The spelling of 122652491 in words is "one hundred twenty-two million, six hundred fifty-two thousand, four hundred ninety-one".