1232118 has 16 divisors (see below), whose sum is σ = 2738160. Its totient is φ = 410688.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232118 is 8112321.

It is a super-2 number, since 2×1232118² = 3036229531848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1232118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11355 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (171135).

2^1232118 is an apocalyptic number.

1232118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1232118 is an abundant number, since it is smaller than the sum of its proper divisors (1506042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232118 is a wasteful number, since it uses less digits than its factorization.

1232118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22828 (or 22822 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1232118 is about 1110.0081080785. The cubic root of 1232118 is about 107.2055906901.

Subtracting from 1232118 its sum of digits (18), we obtain a square (1232100 = 1110²).

Adding to 1232118 its reverse (8112321), we get a palindrome (9344439).

The spelling of 1232118 in words is "one million, two hundred thirty-two thousand, one hundred eighteen".