1170981400 has 48 divisors (see below), whose sum is σ = 2865832200. Its totient is φ = 443738880.

The previous prime is 1170981379. The next prime is 1170981407. The reversal of 1170981400 is 41890711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170981407) by changing a digit.

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, 150277 + ... + 157876.

Almost surely, 2^1170981400 is an apocalyptic number.

1170981400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170981400 is an abundant number, since it is smaller than the sum of its proper divisors (1694850800).

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

1170981400 is a wasteful number, since it uses less digits than its factorization.

1170981400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308188 (or 308179 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 1170981400 is about 34219.6054915892. The cubic root of 1170981400 is about 1054.0227843085.

The spelling of 1170981400 in words is "one billion, one hundred seventy million, nine hundred eighty-one thousand, four hundred".