125051887 has 4 divisors (see below), whose sum is σ = 125077680. Its totient is φ = 125026096.

The previous prime is 125051879. The next prime is 125051903. The reversal of 125051887 is 788150521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125051887 - 2³ = 125051879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125051827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (31269420).

Almost surely, 2^125051887 is an apocalyptic number.

125051887 is a deficient number, since it is larger than the sum of its proper divisors (25793).

125051887 is an equidigital number, since it uses as much as digits as its factorization.

125051887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25792.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 125051887 is about 11182.6601039288. The cubic root of 125051887 is about 500.0691730964.

The spelling of 125051887 in words is "one hundred twenty-five million, fifty-one thousand, eight hundred eighty-seven".