2111239 has 12 divisors (see below), whose sum is σ = 2384536. Its totient is φ = 1858032.

The previous prime is 2111231. The next prime is 2111251. The reversal of 2111239 is 9321112.

It is not a de Polignac number, because 2111239 - 2³ = 2111231 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6724 + ... + 7030.

2^2111239 is an apocalyptic number.

2111239 is a deficient number, since it is larger than the sum of its proper divisors (273297).

2111239 is a wasteful number, since it uses less digits than its factorization.

2111239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 343 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 2111239 is about 1453.0103234320. The cubic root of 2111239 is about 128.2859614141.

The spelling of 2111239 in words is "two million, one hundred eleven thousand, two hundred thirty-nine".