125103131 has 8 divisors (see below), whose sum is σ = 128470944. Its totient is φ = 121777920.

The previous prime is 125103113. The next prime is 125103133. The reversal of 125103131 is 131301521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125103131 - 2²⁶ = 57994267 is a prime.

It is a super-2 number, since 2×125103131² = 31301586772006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125103133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (16058868).

Almost surely, 2^125103131 is an apocalyptic number.

125103131 is a deficient number, since it is larger than the sum of its proper divisors (3367813).

125103131 is an equidigital number, since it uses as much as digits as its factorization.

125103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21301.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 125103131 is about 11184.9510951099. The cubic root of 125103131 is about 500.1374702004.

Adding to 125103131 its reverse (131301521), we get a palindrome (256404652).

The spelling of 125103131 in words is "one hundred twenty-five million, one hundred three thousand, one hundred thirty-one".