125104631 has 2 divisors, whose sum is σ = 125104632. Its totient is φ = 125104630.

The previous prime is 125104597. The next prime is 125104657. The reversal of 125104631 is 136401521.

It is a strong prime.

It is an emirp because it is prime and its reverse (136401521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125104631 - 2¹⁰ = 125103607 is a prime.

It is a super-2 number, since 2×125104631² = 31302337395292322, 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 = 125104597 and 125104606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125304631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62552315 + 62552316.

It is an arithmetic number, because the mean of its divisors is an integer number (62552316).

Almost surely, 2^125104631 is an apocalyptic number.

125104631 is a deficient number, since it is larger than the sum of its proper divisors (1).

125104631 is an equidigital number, since it uses as much as digits as its factorization.

125104631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 125104631 is about 11185.0181492924. The cubic root of 125104631 is about 500.1394690931.

The spelling of 125104631 in words is "one hundred twenty-five million, one hundred four thousand, six hundred thirty-one".