1170900990 has 48 divisors (see below), whose sum is σ = 3479250528. Its totient is φ = 267634368.

The previous prime is 1170900967. The next prime is 1170901021. The reversal of 1170900990 is 990090711.

1170900990 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928657 + ... + 929916.

It is an arithmetic number, because the mean of its divisors is an integer number (72484386).

Almost surely, 2^1170900990 is an apocalyptic number.

1170900990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1170900990 is an abundant number, since it is smaller than the sum of its proper divisors (2308349538).

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

1170900990 is a wasteful number, since it uses less digits than its factorization.

1170900990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858593 (or 1858590 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 1170900990 is about 34218.4305601528. The cubic root of 1170900990 is about 1053.9986575626.

The spelling of 1170900990 in words is "one billion, one hundred seventy million, nine hundred thousand, nine hundred ninety".