125322506 has 4 divisors (see below), whose sum is σ = 187983762. Its totient is φ = 62661252.

The previous prime is 125322503. The next prime is 125322529. The reversal of 125322506 is 605223521.

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

It can be written as a sum of positive squares in only one way, i.e., 96216481 + 29106025 = 9809^2 + 5395^2 .

It is not an unprimeable number, because it can be changed into a prime (125322503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31330625 + ... + 31330628.

Almost surely, 2^125322506 is an apocalyptic number.

125322506 is a deficient number, since it is larger than the sum of its proper divisors (62661256).

125322506 is an equidigital number, since it uses as much as digits as its factorization.

125322506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62661255.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 125322506 is about 11194.7535033157. The cubic root of 125322506 is about 500.4296387154.

The spelling of 125322506 in words is "one hundred twenty-five million, three hundred twenty-two thousand, five hundred six".