1108427 has 2 divisors, whose sum is σ = 1108428. Its totient is φ = 1108426.

The previous prime is 1108423. The next prime is 1108447. The reversal of 1108427 is 7248011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1108427 - 2² = 1108423 is a prime.

It is a super-2 number, since 2×1108427² = 2457220828658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1108423) 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, 554213 + 554214.

It is an arithmetic number, because the mean of its divisors is an integer number (554214).

2^1108427 is an apocalyptic number.

1108427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108427 is an equidigital number, since it uses as much as digits as its factorization.

1108427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1108427 is about 1052.8185978600. The cubic root of 1108427 is about 103.4909480442.

It can be divided in two parts, 11084 and 27, that added together give a palindrome (11111).

The spelling of 1108427 in words is "one million, one hundred eight thousand, four hundred twenty-seven".