125943111 has 48 divisors (see below), whose sum is σ = 218449920. Its totient is φ = 68402880.

The previous prime is 125943043. The next prime is 125943161. The reversal of 125943111 is 111349521.

It is a happy number.

It is not a de Polignac number, because 125943111 - 2⁷ = 125942983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125943161) 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, 114681 + ... + 115773.

It is an arithmetic number, because the mean of its divisors is an integer number (4551040).

Almost surely, 2^125943111 is an apocalyptic number.

125943111 is a deficient number, since it is larger than the sum of its proper divisors (92506809).

125943111 is a wasteful number, since it uses less digits than its factorization.

125943111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1193 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 125943111 is about 11222.4378367626. The cubic root of 125943111 is about 501.2543320044.

The spelling of 125943111 in words is "one hundred twenty-five million, nine hundred forty-three thousand, one hundred eleven".