1180660878 has 24 divisors (see below), whose sum is σ = 2558750688. Its totient is φ = 393453312.

The previous prime is 1180660849. The next prime is 1180660883. The reversal of 1180660878 is 8780660811.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 107950 + ... + 118382.

It is an arithmetic number, because the mean of its divisors is an integer number (106614612).

Almost surely, 2^1180660878 is an apocalyptic number.

1180660878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1180660878 is an abundant number, since it is smaller than the sum of its proper divisors (1378089810).

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

1180660878 is a wasteful number, since it uses less digits than its factorization.

1180660878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16725 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 1180660878 is about 34360.7461793250. The cubic root of 1180660878 is about 1056.9190464613.

The spelling of 1180660878 in words is "one billion, one hundred eighty million, six hundred sixty thousand, eight hundred seventy-eight".