1170391393 has 8 divisors (see below), whose sum is σ = 1235528000. Its totient is φ = 1105608528.

The previous prime is 1170391373. The next prime is 1170391403. The reversal of 1170391393 is 3931930711.

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 1170391393 - 2⁵ = 1170391361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170391373) 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, 81621 + ... + 94882.

It is an arithmetic number, because the mean of its divisors is an integer number (154441000).

Almost surely, 2^1170391393 is an apocalyptic number.

It is an amenable number.

1170391393 is a deficient number, since it is larger than the sum of its proper divisors (65136607).

1170391393 is a wasteful number, since it uses less digits than its factorization.

1170391393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176871.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 1170391393 is about 34210.9835140704. The cubic root of 1170391393 is about 1053.8457290349.

The spelling of 1170391393 in words is "one billion, one hundred seventy million, three hundred ninety-one thousand, three hundred ninety-three".