125335137 has 4 divisors (see below), whose sum is σ = 167113520. Its totient is φ = 83556756.

The previous prime is 125335117. The next prime is 125335151. The reversal of 125335137 is 731533521.

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 not a de Polignac number, because 125335137 - 2⁷ = 125335009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125335117) 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, 20889187 + ... + 20889192.

It is an arithmetic number, because the mean of its divisors is an integer number (41778380).

Almost surely, 2^125335137 is an apocalyptic number.

It is an amenable number.

125335137 is a deficient number, since it is larger than the sum of its proper divisors (41778383).

125335137 is an equidigital number, since it uses as much as digits as its factorization.

125335137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41778382.

The product of its digits is 9450, while the sum is 30.

The square root of 125335137 is about 11195.3176372982. The cubic root of 125335137 is about 500.4464505784.

Adding to 125335137 its reverse (731533521), we get a palindrome (856868658).

The spelling of 125335137 in words is "one hundred twenty-five million, three hundred thirty-five thousand, one hundred thirty-seven".