11924131 has 4 divisors (see below), whose sum is σ = 12058200. Its totient is φ = 11790064.

The previous prime is 11924111. The next prime is 11924137. The reversal of 11924131 is 13142911.

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 11924131 - 2²¹ = 9826979 is a prime.

It is a super-2 number, since 2×11924131² = 284369800210322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11924137) 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, 66901 + ... + 67078.

It is an arithmetic number, because the mean of its divisors is an integer number (3014550).

Almost surely, 2^11924131 is an apocalyptic number.

11924131 is a deficient number, since it is larger than the sum of its proper divisors (134069).

11924131 is an equidigital number, since it uses as much as digits as its factorization.

11924131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134068.

The product of its digits is 216, while the sum is 22.

The square root of 11924131 is about 3453.1335045144. The cubic root of 11924131 is about 228.4593373945.

The spelling of 11924131 in words is "eleven million, nine hundred twenty-four thousand, one hundred thirty-one".