125031045 has 32 divisors (see below), whose sum is σ = 207433728. Its totient is φ = 64266048.

The previous prime is 125031007. The next prime is 125031047. The reversal of 125031045 is 540130521.

It is not a de Polignac number, because 125031045 - 2¹² = 125026949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125031047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45912 + ... + 48558.

It is an arithmetic number, because the mean of its divisors is an integer number (6482304).

Almost surely, 2^125031045 is an apocalyptic number.

125031045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125031045 is a deficient number, since it is larger than the sum of its proper divisors (82402683).

125031045 is a wasteful number, since it uses less digits than its factorization.

125031045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125031045 is about 11181.7281759127. The cubic root of 125031045 is about 500.0413899070.

Adding to 125031045 its reverse (540130521), we get a palindrome (665161566).

The spelling of 125031045 in words is "one hundred twenty-five million, thirty-one thousand, forty-five".