1183842 has 32 divisors (see below), whose sum is σ = 2871360. Its totient is φ = 358560.

The previous prime is 1183837. The next prime is 1183843. The reversal of 1183842 is 2483811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1183843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (89730).

2^1183842 is an apocalyptic number.

1183842 is an abundant number, since it is smaller than the sum of its proper divisors (1687518).

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

1183842 is a wasteful number, since it uses less digits than its factorization.

1183842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2009 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1183842 is about 1088.0450358326. The cubic root of 1183842 is about 105.7867434312.

It can be divided in two parts, 1183 and 842, that added together give a square (2025 = 45²).

The spelling of 1183842 in words is "one million, one hundred eighty-three thousand, eight hundred forty-two".