125051142 has 8 divisors (see below), whose sum is σ = 250102296. Its totient is φ = 41683712.

The previous prime is 125051137. The next prime is 125051177. The reversal of 125051142 is 241150521.

It is a sphenic number, since it is the product of 3 distinct primes.

125051142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 10420923 + ... + 10420934.

It is an arithmetic number, because the mean of its divisors is an integer number (31262787).

Almost surely, 2^125051142 is an apocalyptic number.

125051142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125051142 is a wasteful number, since it uses less digits than its factorization.

125051142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841862.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125051142 is about 11182.6267933791. The cubic root of 125051142 is about 500.0681800359.

The spelling of 125051142 in words is "one hundred twenty-five million, fifty-one thousand, one hundred forty-two".