125331555 has 16 divisors (see below), whose sum is σ = 200680704. Its totient is φ = 66793440.

The previous prime is 125331551. The next prime is 125331587. The reversal of 125331555 is 555133521.

It is not a de Polignac number, because 125331555 - 2² = 125331551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125331551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26802 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (12542544).

Almost surely, 2^125331555 is an apocalyptic number.

125331555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125331555 is a deficient number, since it is larger than the sum of its proper divisors (75349149).

125331555 is a wasteful number, since it uses less digits than its factorization.

125331555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266.

The product of its digits is 11250, while the sum is 30.

The square root of 125331555 is about 11195.1576585593. The cubic root of 125331555 is about 500.4416830506.

The spelling of 125331555 in words is "one hundred twenty-five million, three hundred thirty-one thousand, five hundred fifty-five".