1180099 has 2 divisors, whose sum is σ = 1180100. Its totient is φ = 1180098.

The previous prime is 1180093. The next prime is 1180111. The reversal of 1180099 is 9900811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1180099 - 2¹⁵ = 1147331 is a prime.

1180099 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1180093) 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, 590049 + 590050.

It is an arithmetic number, because the mean of its divisors is an integer number (590050).

2^1180099 is an apocalyptic number.

1180099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180099 is an equidigital number, since it uses as much as digits as its factorization.

1180099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1180099 is about 1086.3236166079. The cubic root of 1180099 is about 105.6751356822.

The spelling of 1180099 in words is "one million, one hundred eighty thousand, ninety-nine".