125828831 has 2 divisors, whose sum is σ = 125828832. Its totient is φ = 125828830.

The previous prime is 125828821. The next prime is 125828851. The reversal of 125828831 is 138828521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125828831 is a prime.

It is a super-2 number, since 2×125828831² = 31665789421653122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125828821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62914415 + 62914416.

It is an arithmetic number, because the mean of its divisors is an integer number (62914416).

Almost surely, 2^125828831 is an apocalyptic number.

125828831 is a deficient number, since it is larger than the sum of its proper divisors (1).

125828831 is an equidigital number, since it uses as much as digits as its factorization.

125828831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 38.

The square root of 125828831 is about 11217.3450958772. The cubic root of 125828831 is about 501.1026744306.

The spelling of 125828831 in words is "one hundred twenty-five million, eight hundred twenty-eight thousand, eight hundred thirty-one".