1112899 has 2 divisors, whose sum is σ = 1112900. Its totient is φ = 1112898.

The previous prime is 1112897. The next prime is 1112911. The reversal of 1112899 is 9982111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112899 - 2¹ = 1112897 is a prime.

Together with 1112897, it forms a pair of twin primes.

1112899 is a lucky number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1112899.

It is not a weakly prime, because it can be changed into another prime (1112897) 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, 556449 + 556450.

It is an arithmetic number, because the mean of its divisors is an integer number (556450).

2^1112899 is an apocalyptic number.

1112899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112899 is an equidigital number, since it uses as much as digits as its factorization.

1112899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 31.

The square root of 1112899 is about 1054.9402826701. The cubic root of 1112899 is about 103.6299409592.

The spelling of 1112899 in words is "one million, one hundred twelve thousand, eight hundred ninety-nine".