1112139 has 24 divisors (see below), whose sum is σ = 1863680. Its totient is φ = 625968.

The previous prime is 1112131. The next prime is 1112141. The reversal of 1112139 is 9312111.

It is not a de Polignac number, because 1112139 - 2³ = 1112131 is a prime.

1112139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1112131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7932 + ... + 8070.

2^1112139 is an apocalyptic number.

1112139 is a deficient number, since it is larger than the sum of its proper divisors (751541).

1112139 is a wasteful number, since it uses less digits than its factorization.

1112139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 276 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 1112139 is about 1054.5800111893. The cubic root of 1112139 is about 103.6063459190.

The spelling of 1112139 in words is "one million, one hundred twelve thousand, one hundred thirty-nine".