11122387 has 2 divisors, whose sum is σ = 11122388. Its totient is φ = 11122386.

The previous prime is 11122379. The next prime is 11122393. The reversal of 11122387 is 78322111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11122387 - 2³ = 11122379 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561193 + 5561194.

It is an arithmetic number, because the mean of its divisors is an integer number (5561194).

Almost surely, 2^11122387 is an apocalyptic number.

11122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122387 is an equidigital number, since it uses as much as digits as its factorization.

11122387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 11122387 is about 3335.0242877676. The cubic root of 11122387 is about 223.2197756894.

Adding to 11122387 its reverse (78322111), we get a palindrome (89444498).

The spelling of 11122387 in words is "eleven million, one hundred twenty-two thousand, three hundred eighty-seven".