1178457042 has 16 divisors (see below), whose sum is σ = 2693616192. Its totient is φ = 336702000.

The previous prime is 1178457041. The next prime is 1178457047. The reversal of 1178457042 is 2407548711.

It is a super-4 number, since 4×1178457042⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1178457041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029209 + ... + 14029292.

It is an arithmetic number, because the mean of its divisors is an integer number (168351012).

Almost surely, 2^1178457042 is an apocalyptic number.

1178457042 is an abundant number, since it is smaller than the sum of its proper divisors (1515159150).

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

1178457042 is a wasteful number, since it uses less digits than its factorization.

1178457042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28058513.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 1178457042 is about 34328.6621061759. The cubic root of 1178457042 is about 1056.2610175339.

The spelling of 1178457042 in words is "one billion, one hundred seventy-eight million, four hundred fifty-seven thousand, forty-two".