1089299 has 2 divisors, whose sum is σ = 1089300. Its totient is φ = 1089298.

The previous prime is 1089259. The next prime is 1089313. The reversal of 1089299 is 9929801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089299 is a prime.

It is a super-2 number, since 2×1089299² = 2373144622802, which contains 22 as substring.

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 (1089239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544649 + 544650.

It is an arithmetic number, because the mean of its divisors is an integer number (544650).

2^1089299 is an apocalyptic number.

1089299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089299 is an equidigital number, since it uses as much as digits as its factorization.

1089299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1089299 is about 1043.6948787840. The cubic root of 1089299 is about 102.8921798810.

The spelling of 1089299 in words is "one million, eighty-nine thousand, two hundred ninety-nine".