11124401 has 4 divisors (see below), whose sum is σ = 11383152. Its totient is φ = 10865652.

The previous prime is 11124361. The next prime is 11124403. The reversal of 11124401 is 10442111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10442111 = 461 ⋅22651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11124401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124403) 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, 129311 + ... + 129396.

It is an arithmetic number, because the mean of its divisors is an integer number (2845788).

Almost surely, 2^11124401 is an apocalyptic number.

It is an amenable number.

11124401 is a deficient number, since it is larger than the sum of its proper divisors (258751).

11124401 is an equidigital number, since it uses as much as digits as its factorization.

11124401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258750.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 11124401 is about 3335.3262209265. The cubic root of 11124401 is about 223.2332481421.

Adding to 11124401 its reverse (10442111), we get a palindrome (21566512).

The spelling of 11124401 in words is "eleven million, one hundred twenty-four thousand, four hundred one".