11122451 has 2 divisors, whose sum is σ = 11122452. Its totient is φ = 11122450.

The previous prime is 11122427. The next prime is 11122481. The reversal of 11122451 is 15422111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11122451 - 2⁶ = 11122387 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561225 + 5561226.

It is an arithmetic number, because the mean of its divisors is an integer number (5561226).

Almost surely, 2^11122451 is an apocalyptic number.

11122451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122451 is an equidigital number, since it uses as much as digits as its factorization.

11122451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 17.

The square root of 11122451 is about 3335.0338828863. The cubic root of 11122451 is about 223.2202038361.

Adding to 11122451 its reverse (15422111), we get a palindrome (26544562).

The spelling of 11122451 in words is "eleven million, one hundred twenty-two thousand, four hundred fifty-one".