125345231 has 12 divisors (see below), whose sum is σ = 138047616. Its totient is φ = 113725920.

The previous prime is 125345219. The next prime is 125345249. The reversal of 125345231 is 132543521.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-125345231 is a prime.

It is a super-2 number, since 2×125345231² = 31422853868886722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125345231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125345281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114770 + ... + 115856.

It is an arithmetic number, because the mean of its divisors is an integer number (11503968).

Almost surely, 2^125345231 is an apocalyptic number.

125345231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125345231 is a deficient number, since it is larger than the sum of its proper divisors (12702385).

125345231 is a wasteful number, since it uses less digits than its factorization.

125345231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2051 counting only the distinct ones).

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

The square root of 125345231 is about 11195.7684416926. The cubic root of 125345231 is about 500.4598848821.

Adding to 125345231 its reverse (132543521), we get a palindrome (257888752).

The spelling of 125345231 in words is "one hundred twenty-five million, three hundred forty-five thousand, two hundred thirty-one".