1180235778 has 16 divisors (see below), whose sum is σ = 2499323040. Its totient is φ = 370270016.

The previous prime is 1180235773. The next prime is 1180235779. The reversal of 1180235778 is 8775320811.

It is not an unprimeable number, because it can be changed into a prime (1180235773) 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, 5785368 + ... + 5785571.

It is an arithmetic number, because the mean of its divisors is an integer number (156207690).

Almost surely, 2^1180235778 is an apocalyptic number.

1180235778 is an abundant number, since it is smaller than the sum of its proper divisors (1319087262).

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

1180235778 is a wasteful number, since it uses less digits than its factorization.

1180235778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570961.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 1180235778 is about 34354.5597846923. The cubic root of 1180235778 is about 1056.7921824229.

The spelling of 1180235778 in words is "one billion, one hundred eighty million, two hundred thirty-five thousand, seven hundred seventy-eight".