1163279 has 8 divisors (see below), whose sum is σ = 1282512. Its totient is φ = 1048320.

The previous prime is 1163273. The next prime is 1163311. The reversal of 1163279 is 9723611.

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

It is not a de Polignac number, because 1163279 - 2⁴ = 1163263 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 (1163273) 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, 482 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (160314).

2^1163279 is an apocalyptic number.

1163279 is a deficient number, since it is larger than the sum of its proper divisors (119233).

1163279 is a wasteful number, since it uses less digits than its factorization.

1163279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its digits is 2268, while the sum is 29.

The square root of 1163279 is about 1078.5541247429. The cubic root of 1163279 is about 105.1706672691.

It can be divided in two parts, 11632 and 79, that added together give a palindrome (11711).

The spelling of 1163279 in words is "one million, one hundred sixty-three thousand, two hundred seventy-nine".