125241939 has 48 divisors (see below), whose sum is σ = 197017600. Its totient is φ = 76422528.

The previous prime is 125241931. The next prime is 125241943. The reversal of 125241939 is 939142521.

It is not a de Polignac number, because 125241939 - 2³ = 125241931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125241931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 986094 + ... + 986220.

Almost surely, 2^125241939 is an apocalyptic number.

125241939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125241939 is a deficient number, since it is larger than the sum of its proper divisors (71775661).

125241939 is a wasteful number, since it uses less digits than its factorization.

125241939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 125241939 is about 11191.1544980846. The cubic root of 125241939 is about 500.3223774342.

It can be divided in two parts, 125 and 241939, that added together give a square (242064 = 492²).

The spelling of 125241939 in words is "one hundred twenty-five million, two hundred forty-one thousand, nine hundred thirty-nine".