1157163 has 8 divisors (see below), whose sum is σ = 1763328. Its totient is φ = 661224.

The previous prime is 1157159. The next prime is 1157171. The reversal of 1157163 is 3617511.

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

It is not a de Polignac number, because 1157163 - 2² = 1157159 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1157183) 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, 27531 + ... + 27572.

It is an arithmetic number, because the mean of its divisors is an integer number (220416).

2^1157163 is an apocalyptic number.

1157163 is a deficient number, since it is larger than the sum of its proper divisors (606165).

1157163 is an equidigital number, since it uses as much as digits as its factorization.

1157163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55113.

The product of its digits is 630, while the sum is 24.

The square root of 1157163 is about 1075.7151109843. The cubic root of 1157163 is about 104.9860298874.

The spelling of 1157163 in words is "one million, one hundred fifty-seven thousand, one hundred sixty-three".