125938407 has 16 divisors (see below), whose sum is σ = 193421312. Its totient is φ = 71396640.

The previous prime is 125938381. The next prime is 125938433. The reversal of 125938407 is 704839521.

It is an interprime number because it is at equal distance from previous prime (125938381) and next prime (125938433).

It is not a de Polignac number, because 125938407 - 2⁷ = 125938279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125938447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20944 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (12088832).

Almost surely, 2^125938407 is an apocalyptic number.

125938407 is a deficient number, since it is larger than the sum of its proper divisors (67482905).

125938407 is a wasteful number, since it uses less digits than its factorization.

125938407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47358.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 125938407 is about 11222.2282546738. The cubic root of 125938407 is about 501.2480912774.

The spelling of 125938407 in words is "one hundred twenty-five million, nine hundred thirty-eight thousand, four hundred seven".