125378427 has 16 divisors (see below), whose sum is σ = 170024832. Its totient is φ = 82171200.

The previous prime is 125378419. The next prime is 125378437. The reversal of 125378427 is 724873521.

It is not a de Polignac number, because 125378427 - 2³ = 125378419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125378437) 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 in 15 ways as a sum of consecutive naturals, for example, 42552 + ... + 45402.

It is an arithmetic number, because the mean of its divisors is an integer number (10626552).

Almost surely, 2^125378427 is an apocalyptic number.

125378427 is a deficient number, since it is larger than the sum of its proper divisors (44646405).

125378427 is a wasteful number, since it uses less digits than its factorization.

125378427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 94080, while the sum is 39.

The square root of 125378427 is about 11197.2508679586. The cubic root of 125378427 is about 500.5040610076.

The spelling of 125378427 in words is "one hundred twenty-five million, three hundred seventy-eight thousand, four hundred twenty-seven".