1184140 has 12 divisors (see below), whose sum is σ = 2486736. Its totient is φ = 473648.

The previous prime is 1184129. The next prime is 1184143. The reversal of 1184140 is 414811.

It is not an unprimeable number, because it can be changed into a prime (1184143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29584 + ... + 29623.

It is an arithmetic number, because the mean of its divisors is an integer number (207228).

2^1184140 is an apocalyptic number.

1184140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1184140 is an abundant number, since it is smaller than the sum of its proper divisors (1302596).

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

1184140 is a wasteful number, since it uses less digits than its factorization.

1184140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59216 (or 59214 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1184140 is about 1088.1819700767. The cubic root of 1184140 is about 105.7956189976.

Adding to 1184140 its reverse (414811), we get a palindrome (1598951).

It can be divided in two parts, 11841 and 40, that added together give a square (11881 = 109²).

The spelling of 1184140 in words is "one million, one hundred eighty-four thousand, one hundred forty".