1173321315 has 16 divisors (see below), whose sum is σ = 2085904800. Its totient is φ = 625771296.

The previous prime is 1173321229. The next prime is 1173321371. The reversal of 1173321315 is 5131233711.

It is a happy number.

1173321315 is a `hidden beast` number, since 1 + 17 + 332 + 1 + 315 = 666.

It is not a de Polignac number, because 1173321315 - 2⁹ = 1173320803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4345500 + ... + 4345769.

It is an arithmetic number, because the mean of its divisors is an integer number (130369050).

Almost surely, 2^1173321315 is an apocalyptic number.

1173321315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1173321315 is a deficient number, since it is larger than the sum of its proper divisors (912583485).

1173321315 is an equidigital number, since it uses as much as digits as its factorization.

1173321315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691283 (or 8691277 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 1173321315 is about 34253.7781127863. The cubic root of 1173321315 is about 1054.7243846261.

The spelling of 1173321315 in words is "one billion, one hundred seventy-three million, three hundred twenty-one thousand, three hundred fifteen".