1171560260 has 24 divisors (see below), whose sum is σ = 2649529176. Its totient is φ = 432576000.

The previous prime is 1171560259. The next prime is 1171560293. The reversal of 1171560260 is 620651711.

It can be written as a sum of positive squares in 4 ways, for example, as 7795264 + 1163764996 = 2792^2 + 34114^2 .

It is a super-2 number, since 2×1171560260² = 2745106885622535200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 2252741 + ... + 2253260.

It is an arithmetic number, because the mean of its divisors is an integer number (110397049).

Almost surely, 2^1171560260 is an apocalyptic number.

1171560260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171560260 is an abundant number, since it is smaller than the sum of its proper divisors (1477968916).

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

1171560260 is a wasteful number, since it uses less digits than its factorization.

1171560260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506023 (or 4506021 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1171560260 is about 34228.0624634232. The cubic root of 1171560260 is about 1054.1964366880.

The spelling of 1171560260 in words is "one billion, one hundred seventy-one million, five hundred sixty thousand, two hundred sixty".