11124887 has 2 divisors, whose sum is σ = 11124888. Its totient is φ = 11124886.

The previous prime is 11124857. The next prime is 11124889. The reversal of 11124887 is 78842111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11124887 is a prime.

It is a super-2 number, since 2×11124887² = 247526221525538, which contains 22 as substring.

Together with 11124889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562443 + 5562444.

It is an arithmetic number, because the mean of its divisors is an integer number (5562444).

Almost surely, 2^11124887 is an apocalyptic number.

11124887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124887 is an equidigital number, since it uses as much as digits as its factorization.

11124887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 32.

The square root of 11124887 is about 3335.3990765724. The cubic root of 11124887 is about 223.2364989472.

Adding to 11124887 its reverse (78842111), we get a palindrome (89966998).

The spelling of 11124887 in words is "eleven million, one hundred twenty-four thousand, eight hundred eighty-seven".