125311425 has 12 divisors (see below), whose sum is σ = 207181680. Its totient is φ = 66832720.

The previous prime is 125311409. The next prime is 125311453. The reversal of 125311425 is 524113521.

It is a happy number.

It is not a de Polignac number, because 125311425 - 2⁴ = 125311409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125311395 and 125311404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835335 + ... + 835484.

It is an arithmetic number, because the mean of its divisors is an integer number (17265140).

Almost surely, 2^125311425 is an apocalyptic number.

125311425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125311425 is a deficient number, since it is larger than the sum of its proper divisors (81870255).

125311425 is a wasteful number, since it uses less digits than its factorization.

125311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670832 (or 1670827 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 125311425 is about 11194.2585730364. The cubic root of 125311425 is about 500.4148889724.

Adding to 125311425 its reverse (524113521), we get a palindrome (649424946).

The spelling of 125311425 in words is "one hundred twenty-five million, three hundred eleven thousand, four hundred twenty-five".