122725087 has 2 divisors, whose sum is σ = 122725088. Its totient is φ = 122725086.

The previous prime is 122725067. The next prime is 122725111. The reversal of 122725087 is 780527221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122725087 - 2¹⁵ = 122692319 is a prime.

It is a super-2 number, since 2×122725087² = 30122893958315138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122725027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61362543 + 61362544.

It is an arithmetic number, because the mean of its divisors is an integer number (61362544).

Almost surely, 2^122725087 is an apocalyptic number.

122725087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122725087 is an equidigital number, since it uses as much as digits as its factorization.

122725087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 122725087 is about 11078.1355380768. The cubic root of 122725087 is about 496.9481935185.

The spelling of 122725087 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, eighty-seven".