1232159 has 4 divisors (see below), whose sum is σ = 1237320. Its totient is φ = 1227000.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232159 is 9512321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232159 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 (1232659) 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, 2204 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (309330).

2^1232159 is an apocalyptic number.

1232159 is a deficient number, since it is larger than the sum of its proper divisors (5161).

1232159 is an equidigital number, since it uses as much as digits as its factorization.

1232159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its digits is 540, while the sum is 23.

The square root of 1232159 is about 1110.0265762584. The cubic root of 1232159 is about 107.2067798025.

The spelling of 1232159 in words is "one million, two hundred thirty-two thousand, one hundred fifty-nine".