122625457 has 4 divisors (see below), whose sum is σ = 122737140. Its totient is φ = 122513776.

The previous prime is 122625421. The next prime is 122625467. The reversal of 122625457 is 754526221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38738176 + 83887281 = 6224^2 + 9159^2 .

It is a cyclic number.

It is not a de Polignac number, because 122625457 - 2¹¹ = 122623409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122625467) 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, 54178 + ... + 56395.

It is an arithmetic number, because the mean of its divisors is an integer number (30684285).

Almost surely, 2^122625457 is an apocalyptic number.

It is an amenable number.

122625457 is a deficient number, since it is larger than the sum of its proper divisors (111683).

122625457 is a wasteful number, since it uses less digits than its factorization.

122625457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111682.

The product of its digits is 33600, while the sum is 34.

The square root of 122625457 is about 11073.6379297862. The cubic root of 122625457 is about 496.8136805359.

The spelling of 122625457 in words is "one hundred twenty-two million, six hundred twenty-five thousand, four hundred fifty-seven".