125063831 has 2 divisors, whose sum is σ = 125063832. Its totient is φ = 125063830.

The previous prime is 125063821. The next prime is 125063843. The reversal of 125063831 is 138360521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125063831 - 2¹⁸ = 124801687 is a prime.

It is a super-2 number, since 2×125063831² = 31281923648793122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125063794 and 125063803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125063821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62531915 + 62531916.

It is an arithmetic number, because the mean of its divisors is an integer number (62531916).

Almost surely, 2^125063831 is an apocalyptic number.

125063831 is a deficient number, since it is larger than the sum of its proper divisors (1).

125063831 is an equidigital number, since it uses as much as digits as its factorization.

125063831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 125063831 is about 11183.1941322683. The cubic root of 125063831 is about 500.0850935174.

The spelling of 125063831 in words is "one hundred twenty-five million, sixty-three thousand, eight hundred thirty-one".