125305842 has 8 divisors (see below), whose sum is σ = 250611696. Its totient is φ = 41768612.

The previous prime is 125305811. The next prime is 125305867. The reversal of 125305842 is 248503521.

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

125305842 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442148 + ... + 10442159.

It is an arithmetic number, because the mean of its divisors is an integer number (31326462).

Almost surely, 2^125305842 is an apocalyptic number.

125305842 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.

125305842 is a wasteful number, since it uses less digits than its factorization.

125305842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20884312.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 125305842 is about 11194.0092013541. The cubic root of 125305842 is about 500.4074572004.

The spelling of 125305842 in words is "one hundred twenty-five million, three hundred five thousand, eight hundred forty-two".