1173207113 has 8 divisors (see below), whose sum is σ = 1265050248. Its totient is φ = 1081592064.

The previous prime is 1173207109. The next prime is 1173207157. The reversal of 1173207113 is 3117023711.

It can be written as a sum of positive squares in 4 ways, for example, as 23454649 + 1149752464 = 4843^2 + 33908^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1173207113 - 2² = 1173207109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173207613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46256 + ... + 66977.

It is an arithmetic number, because the mean of its divisors is an integer number (158131281).

Almost surely, 2^1173207113 is an apocalyptic number.

1173207113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1173207113 is a deficient number, since it is larger than the sum of its proper divisors (91843135).

1173207113 is a wasteful number, since it uses less digits than its factorization.

1173207113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114043.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1173207113 is about 34252.1110736258. Note that the first 3 decimals coincide. The cubic root of 1173207113 is about 1054.6901639511.

The spelling of 1173207113 in words is "one billion, one hundred seventy-three million, two hundred seven thousand, one hundred thirteen".