122725007 has 4 divisors (see below), whose sum is σ = 123034536. Its totient is φ = 122415480.

The previous prime is 122724977. The next prime is 122725019. The reversal of 122725007 is 700527221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122725007 - 2¹⁴ = 122708623 is a prime.

It is a super-2 number, since 2×122725007² = 30122854686300098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122725027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154169 + ... + 154962.

It is an arithmetic number, because the mean of its divisors is an integer number (30758634).

Almost surely, 2^122725007 is an apocalyptic number.

122725007 is a deficient number, since it is larger than the sum of its proper divisors (309529).

122725007 is an equidigital number, since it uses as much as digits as its factorization.

122725007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309528.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 122725007 is about 11078.1319273603. The cubic root of 122725007 is about 496.9480855377.

The spelling of 122725007 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, seven".