125331020 has 24 divisors (see below), whose sum is σ = 263420304. Its totient is φ = 50089536.

The previous prime is 125331007. The next prime is 125331053. The reversal of 125331020 is 20133521.

It is a self number, because there is not a number n which added to its sum of digits gives 125331020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32642 + ... + 36278.

It is an arithmetic number, because the mean of its divisors is an integer number (10975846).

Almost surely, 2^125331020 is an apocalyptic number.

125331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125331020 is an abundant number, since it is smaller than the sum of its proper divisors (138089284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125331020 is a wasteful number, since it uses less digits than its factorization.

125331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 125331020 is about 11195.1337642745. The cubic root of 125331020 is about 500.4409709749.

Adding to 125331020 its reverse (20133521), we get a palindrome (145464541).

The spelling of 125331020 in words is "one hundred twenty-five million, three hundred thirty-one thousand, twenty".