125677739 has 12 divisors (see below), whose sum is σ = 140096880. Its totient is φ = 112635600.

The previous prime is 125677733. The next prime is 125677757. The reversal of 125677739 is 937776521.

It is not a de Polignac number, because 125677739 - 2¹² = 125673643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125677693 and 125677702.

It is not an unprimeable number, because it can be changed into a prime (125677733) 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 in 11 ways as a sum of consecutive naturals, for example, 1277 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (11674740).

Almost surely, 2^125677739 is an apocalyptic number.

125677739 is a deficient number, since it is larger than the sum of its proper divisors (14419141).

125677739 is a wasteful number, since it uses less digits than its factorization.

125677739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722 (or 14711 counting only the distinct ones).

The product of its digits is 555660, while the sum is 47.

The square root of 125677739 is about 11210.6083242614. The cubic root of 125677739 is about 500.9020237278.

The spelling of 125677739 in words is "one hundred twenty-five million, six hundred seventy-seven thousand, seven hundred thirty-nine".