1178942402 has 16 divisors (see below), whose sum is σ = 1933588800. Its totient is φ = 534657840.

The previous prime is 1178942399. The next prime is 1178942417. The reversal of 1178942402 is 2042498711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51377 + ... + 70692.

It is an arithmetic number, because the mean of its divisors is an integer number (120849300).

Almost surely, 2^1178942402 is an apocalyptic number.

1178942402 is a deficient number, since it is larger than the sum of its proper divisors (754646398).

1178942402 is a wasteful number, since it uses less digits than its factorization.

1178942402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122521.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1178942402 is about 34335.7306897640. The cubic root of 1178942402 is about 1056.4060083885.

The spelling of 1178942402 in words is "one billion, one hundred seventy-eight million, nine hundred forty-two thousand, four hundred two".