125163331 has 2 divisors, whose sum is σ = 125163332. Its totient is φ = 125163330.

The previous prime is 125163323. The next prime is 125163343. The reversal of 125163331 is 133361521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125163331 - 2³ = 125163323 is a prime.

It is a super-2 number, since 2×125163331² = 31331718854031122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125163296 and 125163305.

It is not a weakly prime, because it can be changed into another prime (125163931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62581665 + 62581666.

It is an arithmetic number, because the mean of its divisors is an integer number (62581666).

Almost surely, 2^125163331 is an apocalyptic number.

125163331 is a deficient number, since it is larger than the sum of its proper divisors (1).

125163331 is an equidigital number, since it uses as much as digits as its factorization.

125163331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 125163331 is about 11187.6418873684. The cubic root of 125163331 is about 500.2176798839.

The spelling of 125163331 in words is "one hundred twenty-five million, one hundred sixty-three thousand, three hundred thirty-one".