11122439 has 4 divisors (see below), whose sum is σ = 11393760. Its totient is φ = 10851120.

The previous prime is 11122427. The next prime is 11122451. The reversal of 11122439 is 93422111.

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

It is an interprime number because it is at equal distance from previous prime (11122427) and next prime (11122451).

It is a cyclic number.

It is not a de Polignac number, because 11122439 - 2¹² = 11118343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135599 + ... + 135680.

It is an arithmetic number, because the mean of its divisors is an integer number (2848440).

Almost surely, 2^11122439 is an apocalyptic number.

11122439 is a deficient number, since it is larger than the sum of its proper divisors (271321).

11122439 is an equidigital number, since it uses as much as digits as its factorization.

11122439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271320.

The product of its digits is 432, while the sum is 23.

The square root of 11122439 is about 3335.0320838037. The cubic root of 11122439 is about 223.2201235587.

The spelling of 11122439 in words is "eleven million, one hundred twenty-two thousand, four hundred thirty-nine".