1171190080 has 56 divisors (see below), whose sum is σ = 2792422152. Its totient is φ = 467884032.

The previous prime is 1171190047. The next prime is 1171190081. The reversal of 1171190080 is 800911711.

It can be written as a sum of positive squares in 4 ways, for example, as 203233536 + 967956544 = 14256^2 + 31112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171190081) 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, 322354 + ... + 325966.

Almost surely, 2^1171190080 is an apocalyptic number.

1171190080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171190080 is an abundant number, since it is smaller than the sum of its proper divisors (1621232072).

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

1171190080 is a wasteful number, since it uses less digits than its factorization.

1171190080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 1171190080 is about 34222.6544850045. The cubic root of 1171190080 is about 1054.0853928777.

The spelling of 1171190080 in words is "one billion, one hundred seventy-one million, one hundred ninety thousand, eighty".