125203887 has 20 divisors (see below), whose sum is σ = 188701920. Its totient is φ = 82724544.

The previous prime is 125203879. The next prime is 125203891. The reversal of 125203887 is 788302521.

It is not a de Polignac number, because 125203887 - 2³ = 125203879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125203847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2314 + ... + 15992.

It is an arithmetic number, because the mean of its divisors is an integer number (9435096).

Almost surely, 2^125203887 is an apocalyptic number.

125203887 is a deficient number, since it is larger than the sum of its proper divisors (63498033).

125203887 is a wasteful number, since it uses less digits than its factorization.

125203887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13804 (or 13795 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 125203887 is about 11189.4542762371. The cubic root of 125203887 is about 500.2717016630.

The spelling of 125203887 in words is "one hundred twenty-five million, two hundred three thousand, eight hundred eighty-seven".