1170151980 has 24 divisors (see below), whose sum is σ = 3276425712. Its totient is φ = 312040512.

The previous prime is 1170151949. The next prime is 1170151999. The reversal of 1170151980 is 891510711.

1170151980 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 9751207 + ... + 9751326.

It is an arithmetic number, because the mean of its divisors is an integer number (136517738).

Almost surely, 2^1170151980 is an apocalyptic number.

1170151980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170151980 is an abundant number, since it is smaller than the sum of its proper divisors (2106273732).

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

1170151980 is a wasteful number, since it uses less digits than its factorization.

1170151980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502545 (or 19502543 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 33.

The square root of 1170151980 is about 34207.4842687971. The cubic root of 1170151980 is about 1053.7738665865.

The spelling of 1170151980 in words is "one billion, one hundred seventy million, one hundred fifty-one thousand, nine hundred eighty".