125431033 has 24 divisors (see below), whose sum is σ = 158016768. Its totient is φ = 98685216.

The previous prime is 125431021. The next prime is 125431039. The reversal of 125431033 is 330134521.

It is a de Polignac number, because none of the positive numbers 2^k-125431033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125430995 and 125431013.

It is not an unprimeable number, because it can be changed into a prime (125431039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141610 + ... + 142492.

It is an arithmetic number, because the mean of its divisors is an integer number (6584032).

Almost surely, 2^125431033 is an apocalyptic number.

125431033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125431033 is a deficient number, since it is larger than the sum of its proper divisors (32585735).

125431033 is a wasteful number, since it uses less digits than its factorization.

125431033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 125431033 is about 11199.5996803457. The cubic root of 125431033 is about 500.5740513445.

Adding to 125431033 its reverse (330134521), we get a palindrome (455565554).

The spelling of 125431033 in words is "one hundred twenty-five million, four hundred thirty-one thousand, thirty-three".