1125125242 has 8 divisors (see below), whose sum is σ = 1776513600. Its totient is φ = 532954044.

The previous prime is 1125125231. The next prime is 1125125257. The reversal of 1125125242 is 2425215211.

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

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, 14804242 + ... + 14804317.

It is an arithmetic number, because the mean of its divisors is an integer number (222064200).

Almost surely, 2^1125125242 is an apocalyptic number.

1125125242 is a deficient number, since it is larger than the sum of its proper divisors (651388358).

1125125242 is a wasteful number, since it uses less digits than its factorization.

1125125242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29608580.

The product of its digits is 1600, while the sum is 25.

The square root of 1125125242 is about 33542.8866080425. The cubic root of 1125125242 is about 1040.0805047395.

The spelling of 1125125242 in words is "one billion, one hundred twenty-five million, one hundred twenty-five thousand, two hundred forty-two".