125831408 has 20 divisors (see below), whose sum is σ = 248987040. Its totient is φ = 61576704.

The previous prime is 125831393. The next prime is 125831429. The reversal of 125831408 is 804138521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82913 + ... + 84416.

It is an arithmetic number, because the mean of its divisors is an integer number (12449352).

Almost surely, 2^125831408 is an apocalyptic number.

It is an amenable number.

125831408 is a deficient number, since it is larger than the sum of its proper divisors (123155632).

125831408 is a wasteful number, since it uses less digits than its factorization.

125831408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167384 (or 167378 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 125831408 is about 11217.4599620413. The cubic root of 125831408 is about 501.1060953020.

Adding to 125831408 its reverse (804138521), we get a palindrome (929969929).

The spelling of 125831408 in words is "one hundred twenty-five million, eight hundred thirty-one thousand, four hundred eight".