122590287 has 48 divisors (see below), whose sum is σ = 193803040. Its totient is φ = 76515840.

The previous prime is 122590271. The next prime is 122590289. The reversal of 122590287 is 782095221.

It is not a de Polignac number, because 122590287 - 2⁴ = 122590271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122590289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1679283 + ... + 1679355.

Almost surely, 2^122590287 is an apocalyptic number.

122590287 is a deficient number, since it is larger than the sum of its proper divisors (71212753).

122590287 is an equidigital number, since it uses as much as digits as its factorization.

122590287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 122590287 is about 11072.0498102203. The cubic root of 122590287 is about 496.7661792305.

The spelling of 122590287 in words is "one hundred twenty-two million, five hundred ninety thousand, two hundred eighty-seven".