1318099 has 2 divisors, whose sum is σ = 1318100. Its totient is φ = 1318098.

The previous prime is 1318073. The next prime is 1318103. The reversal of 1318099 is 9908131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318099 - 2⁵ = 1318067 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1318099.

It is not a weakly prime, because it can be changed into another prime (1318019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659049 + 659050.

It is an arithmetic number, because the mean of its divisors is an integer number (659050).

2^1318099 is an apocalyptic number.

1318099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318099 is an equidigital number, since it uses as much as digits as its factorization.

1318099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1318099 is about 1148.0849271722. The cubic root of 1318099 is about 109.6434460660.

The spelling of 1318099 in words is "one million, three hundred eighteen thousand, ninety-nine".