125043992 has 16 divisors (see below), whose sum is σ = 236534040. Its totient is φ = 61968256.

The previous prime is 125043991. The next prime is 125044001. The reversal of 125043992 is 299340521.

It is a super-3 number, since 3×125043992³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125043991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68258 + ... + 70065.

Almost surely, 2^125043992 is an apocalyptic number.

It is an amenable number.

125043992 is a deficient number, since it is larger than the sum of its proper divisors (111490048).

125043992 is a wasteful number, since it uses less digits than its factorization.

125043992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138442 (or 138438 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 125043992 is about 11182.3070964806. The cubic root of 125043992 is about 500.0586491203.

The spelling of 125043992 in words is "one hundred twenty-five million, forty-three thousand, nine hundred ninety-two".