125869842 has 32 divisors (see below), whose sum is σ = 319670400. Its totient is φ = 35962704.

The previous prime is 125869789. The next prime is 125869847. The reversal of 125869842 is 248968521.

It is not an unprimeable number, because it can be changed into a prime (125869847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166117 + ... + 166872.

It is an arithmetic number, because the mean of its divisors is an integer number (9989700).

Almost surely, 2^125869842 is an apocalyptic number.

125869842 is an abundant number, since it is smaller than the sum of its proper divisors (193800558).

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

125869842 is a wasteful number, since it uses less digits than its factorization.

125869842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333007 (or 333001 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 125869842 is about 11219.1729641716. The cubic root of 125869842 is about 501.1571094630.

The spelling of 125869842 in words is "one hundred twenty-five million, eight hundred sixty-nine thousand, eight hundred forty-two".