11124123 has 4 divisors (see below), whose sum is σ = 14832168. Its totient is φ = 7416080.

The previous prime is 11124121. The next prime is 11124151. The reversal of 11124123 is 32142111.

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 11124123 - 2¹ = 11124121 is a prime.

It is a super-2 number, since 2×11124123² = 247492225038258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11124121) 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, 1854018 + ... + 1854023.

It is an arithmetic number, because the mean of its divisors is an integer number (3708042).

Almost surely, 2^11124123 is an apocalyptic number.

11124123 is a deficient number, since it is larger than the sum of its proper divisors (3708045).

11124123 is an equidigital number, since it uses as much as digits as its factorization.

11124123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708044.

The product of its digits is 48, while the sum is 15.

The square root of 11124123 is about 3335.2845455823. The cubic root of 11124123 is about 223.2313885855.

Adding to 11124123 its reverse (32142111), we get a palindrome (43266234).

It can be divided in two parts, 1112412 and 3, that multiplied together give a triangular number (3337236 = T₂₅₈₃).

The spelling of 11124123 in words is "eleven million, one hundred twenty-four thousand, one hundred twenty-three".