1111139 has 4 divisors (see below), whose sum is σ = 1169640. Its totient is φ = 1052640.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111139 is 9311111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111139 - 2²⁰ = 62563 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111169) 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, 29222 + ... + 29259.

It is an arithmetic number, because the mean of its divisors is an integer number (292410).

2^1111139 is an apocalyptic number.

1111139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1111139 is a deficient number, since it is larger than the sum of its proper divisors (58501).

1111139 is an equidigital number, since it uses as much as digits as its factorization.

1111139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58500.

The product of its digits is 27, while the sum is 17.

The square root of 1111139 is about 1054.1057821680. The cubic root of 1111139 is about 103.5752834305.

The spelling of 1111139 in words is "one million, one hundred eleven thousand, one hundred thirty-nine".