125317842 has 16 divisors (see below), whose sum is σ = 269915520. Its totient is φ = 38559312.

The previous prime is 125317793. The next prime is 125317849. The reversal of 125317842 is 248713521.

It is not an unprimeable number, because it can be changed into a prime (125317849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803242 + ... + 803397.

It is an arithmetic number, because the mean of its divisors is an integer number (16869720).

Almost surely, 2^125317842 is an apocalyptic number.

125317842 is an abundant number, since it is smaller than the sum of its proper divisors (144597678).

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

125317842 is a wasteful number, since it uses less digits than its factorization.

125317842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606657.

The product of its digits is 13440, while the sum is 33.

The square root of 125317842 is about 11194.5451895108. The cubic root of 125317842 is about 500.4234306451.

The spelling of 125317842 in words is "one hundred twenty-five million, three hundred seventeen thousand, eight hundred forty-two".