1171707399 has 12 divisors (see below), whose sum is σ = 1692826096. Its totient is φ = 780972192.

The previous prime is 1171707347. The next prime is 1171707437. The reversal of 1171707399 is 9937071711.

It is not a de Polignac number, because 1171707399 - 2²³ = 1163318791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171707319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43227 + ... + 64899.

Almost surely, 2^1171707399 is an apocalyptic number.

1171707399 is a deficient number, since it is larger than the sum of its proper divisors (521118697).

1171707399 is a wasteful number, since it uses less digits than its factorization.

1171707399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686 (or 27683 counting only the distinct ones).

The product of its (nonzero) digits is 83349, while the sum is 45.

The square root of 1171707399 is about 34230.2117872502. The cubic root of 1171707399 is about 1054.2405678413.

The spelling of 1171707399 in words is "one billion, one hundred seventy-one million, seven hundred seven thousand, three hundred ninety-nine".