1184139 has 24 divisors (see below), whose sum is σ = 1939392. Its totient is φ = 716040.

The previous prime is 1184129. The next prime is 1184143. The reversal of 1184139 is 9314811.

It is not a de Polignac number, because 1184139 - 2⁴ = 1184123 is a prime.

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

1184139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1184119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2452 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (80808).

2^1184139 is an apocalyptic number.

1184139 is a deficient number, since it is larger than the sum of its proper divisors (755253).

1184139 is an equidigital number, since it uses as much as digits as its factorization.

1184139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 457 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1184139 is about 1088.1815105946. The cubic root of 1184139 is about 105.7955892163.

It can be divided in two parts, 11 and 84139, that multiplied together give a palindrome (925529).

The spelling of 1184139 in words is "one million, one hundred eighty-four thousand, one hundred thirty-nine".