1143612 has 24 divisors (see below), whose sum is σ = 2965200. Its totient is φ = 381168.

The previous prime is 1143601. The next prime is 1143619. The reversal of 1143612 is 2163411.

It is a happy number.

1143612 is a `hidden beast` number, since 11 + 43 + 612 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5187 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (123550).

2^1143612 is an apocalyptic number.

1143612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143612 is an abundant number, since it is smaller than the sum of its proper divisors (1821588).

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

1143612 is a wasteful number, since it uses less digits than its factorization.

1143612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602 (or 10594 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1143612 is about 1069.3979614718. The cubic root of 1143612 is about 104.5746054243.

The spelling of 1143612 in words is "one million, one hundred forty-three thousand, six hundred twelve".