1193256113 has 4 divisors (see below), whose sum is σ = 1363721280. Its totient is φ = 1022790948.

The previous prime is 1193256083. The next prime is 1193256139. The reversal of 1193256113 is 3116523911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3116523911 = 239 ⋅13039849.

It is a cyclic number.

It is not a de Polignac number, because 1193256113 - 2²⁰ = 1192207537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1193256113.

It is not an unprimeable number, because it can be changed into a prime (1193256413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85232573 + ... + 85232586.

It is an arithmetic number, because the mean of its divisors is an integer number (340930320).

Almost surely, 2^1193256113 is an apocalyptic number.

It is an amenable number.

1193256113 is a deficient number, since it is larger than the sum of its proper divisors (170465167).

1193256113 is an equidigital number, since it uses as much as digits as its factorization.

1193256113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170465166.

The product of its digits is 4860, while the sum is 32.

The square root of 1193256113 is about 34543.5393814820. The cubic root of 1193256113 is about 1060.6641479865.

The spelling of 1193256113 in words is "one billion, one hundred ninety-three million, two hundred fifty-six thousand, one hundred thirteen".