1180899 has 20 divisors (see below), whose sum is σ = 1800480. Its totient is φ = 771120.

The previous prime is 1180897. The next prime is 1180901. The reversal of 1180899 is 9980811.

It is an interprime number because it is at equal distance from previous prime (1180897) and next prime (1180901).

It is not a de Polignac number, because 1180899 - 2¹ = 1180897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4822 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (90024).

2^1180899 is an apocalyptic number.

1180899 is a deficient number, since it is larger than the sum of its proper divisors (619581).

1180899 is an equidigital number, since it uses as much as digits as its factorization.

1180899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1180899 is about 1086.6917686262. The cubic root of 1180899 is about 105.6990096713.

The spelling of 1180899 in words is "one million, one hundred eighty thousand, eight hundred ninety-nine".