125451042 has 16 divisors (see below), whose sum is σ = 259554240. Its totient is φ = 40374992.

The previous prime is 125451031. The next prime is 125451047. The reversal of 125451042 is 240154521.

It is not an unprimeable number, because it can be changed into a prime (125451047) 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, 360318 + ... + 360665.

It is an arithmetic number, because the mean of its divisors is an integer number (16222140).

Almost surely, 2^125451042 is an apocalyptic number.

125451042 is an abundant number, since it is smaller than the sum of its proper divisors (134103198).

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

125451042 is a wasteful number, since it uses less digits than its factorization.

125451042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721017.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 125451042 is about 11200.4929355810. The cubic root of 125451042 is about 500.6006674416.

The spelling of 125451042 in words is "one hundred twenty-five million, four hundred fifty-one thousand, forty-two".