1103139 has 10 divisors (see below), whose sum is σ = 1648020. Its totient is φ = 735372.

The previous prime is 1103129. The next prime is 1103143. The reversal of 1103139 is 9313011.

It is not a de Polignac number, because 1103139 - 2⁵ = 1103107 is a prime.

1103139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1103119) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6729 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (164802).

2^1103139 is an apocalyptic number.

1103139 is a deficient number, since it is larger than the sum of its proper divisors (544881).

1103139 is an equidigital number, since it uses as much as digits as its factorization.

1103139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631 (or 13622 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1103139 is about 1050.3042416367. The cubic root of 1103139 is about 103.3261100281.

It can be divided in two parts, 110 and 3139, that added together give a square (3249 = 57²).

The spelling of 1103139 in words is "one million, one hundred three thousand, one hundred thirty-nine".