125474137 has 4 divisors (see below), whose sum is σ = 125511120. Its totient is φ = 125437156.

The previous prime is 125474117. The next prime is 125474149. The reversal of 125474137 is 731474521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125474137 - 2⁷ = 125474009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125474117) 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, 12823 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (31377780).

Almost surely, 2^125474137 is an apocalyptic number.

It is an amenable number.

125474137 is a deficient number, since it is larger than the sum of its proper divisors (36983).

125474137 is an equidigital number, since it uses as much as digits as its factorization.

125474137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36982.

The product of its digits is 23520, while the sum is 34.

The square root of 125474137 is about 11201.5238695456. The cubic root of 125474137 is about 500.6313850369.

The spelling of 125474137 in words is "one hundred twenty-five million, four hundred seventy-four thousand, one hundred thirty-seven".