1171116722 has 4 divisors (see below), whose sum is σ = 1756675086. Its totient is φ = 585558360.

The previous prime is 1171116703. The next prime is 1171116761. The reversal of 1171116722 is 2276111711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1170392521 + 724201 = 34211^2 + 851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292779179 + ... + 292779182.

Almost surely, 2^1171116722 is an apocalyptic number.

1171116722 is a deficient number, since it is larger than the sum of its proper divisors (585558364).

1171116722 is an equidigital number, since it uses as much as digits as its factorization.

1171116722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585558363.

The product of its digits is 1176, while the sum is 29.

The square root of 1171116722 is about 34221.5826927978. The cubic root of 1171116722 is about 1054.0633847192.

The spelling of 1171116722 in words is "one billion, one hundred seventy-one million, one hundred sixteen thousand, seven hundred twenty-two".