1170113287 has 12 divisors (see below), whose sum is σ = 1365302800. Its totient is φ = 1002411228.

The previous prime is 1170113249. The next prime is 1170113317. The reversal of 1170113287 is 7823110711.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-1170113287 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 (1170113207) 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, 632598 + ... + 634444.

Almost surely, 2^1170113287 is an apocalyptic number.

1170113287 is a deficient number, since it is larger than the sum of its proper divisors (195189513).

1170113287 is an frugal number, since it uses more digits than its factorization.

1170113287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 1170113287 is about 34206.9187007541. The cubic root of 1170113287 is about 1053.7622515364.

Adding to 1170113287 its reverse (7823110711), we get a palindrome (8993223998).

The spelling of 1170113287 in words is "one billion, one hundred seventy million, one hundred thirteen thousand, two hundred eighty-seven".