1180139 has 4 divisors (see below), whose sum is σ = 1218240. Its totient is φ = 1142040.

The previous prime is 1180133. The next prime is 1180141. The reversal of 1180139 is 9310811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1180139 - 2⁸ = 1179883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19004 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (304560).

2^1180139 is an apocalyptic number.

1180139 is a deficient number, since it is larger than the sum of its proper divisors (38101).

1180139 is an equidigital number, since it uses as much as digits as its factorization.

1180139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38100.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1180139 is about 1086.3420271719. The cubic root of 1180139 is about 105.6763296378.

The spelling of 1180139 in words is "one million, one hundred eighty thousand, one hundred thirty-nine".