1117139 has 6 divisors (see below), whose sum is σ = 1137780. Its totient is φ = 1096836.

The previous prime is 1117117. The next prime is 1117153. The reversal of 1117139 is 9317111.

It is not a de Polignac number, because 1117139 - 2¹² = 1113043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6152 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2^1117139 is an apocalyptic number.

1117139 is a deficient number, since it is larger than the sum of its proper divisors (20641).

1117139 is an frugal number, since it uses more digits than its factorization.

1117139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 258 counting only the distinct ones).

The product of its digits is 189, while the sum is 23.

The square root of 1117139 is about 1056.9479646605. The cubic root of 1117139 is about 103.7613796973.

The spelling of 1117139 in words is "one million, one hundred seventeen thousand, one hundred thirty-nine".