1242755874 has 24 divisors (see below), whose sum is σ = 2698733232. Its totient is φ = 413314200.

The previous prime is 1242755837. The next prime is 1242755909. The reversal of 1242755874 is 4785572421.

1242755874 is a `hidden beast` number, since 1 + 2 + 4 + 27 + 558 + 74 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69952 + ... + 85899.

It is an arithmetic number, because the mean of its divisors is an integer number (112447218).

Almost surely, 2^1242755874 is an apocalyptic number.

1242755874 is an abundant number, since it is smaller than the sum of its proper divisors (1455977358).

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

1242755874 is a wasteful number, since it uses less digits than its factorization.

1242755874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156302 (or 156299 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 1242755874 is about 35252.7427869095. The cubic root of 1242755874 is about 1075.1323792989.

The spelling of 1242755874 in words is "one billion, two hundred forty-two million, seven hundred fifty-five thousand, eight hundred seventy-four".