1118851 has 2 divisors, whose sum is σ = 1118852. Its totient is φ = 1118850.

The previous prime is 1118837. The next prime is 1118857. The reversal of 1118851 is 1588111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118851 - 2⁷ = 1118723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559425 + 559426.

It is an arithmetic number, because the mean of its divisors is an integer number (559426).

2^1118851 is an apocalyptic number.

1118851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118851 is an equidigital number, since it uses as much as digits as its factorization.

1118851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 25.

The square root of 1118851 is about 1057.7575336532. The cubic root of 1118851 is about 103.8143569352.

The spelling of 1118851 in words is "one million, one hundred eighteen thousand, eight hundred fifty-one".