1198099 has 10 divisors (see below), whose sum is σ = 1400500. Its totient is φ = 1024884.

The previous prime is 1198081. The next prime is 1198103. The reversal of 1198099 is 9908911.

It is not a de Polignac number, because 1198099 - 2⁷ = 1197971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198049) 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 in 9 ways as a sum of consecutive naturals, for example, 2152 + ... + 2650.

It is an arithmetic number, because the mean of its divisors is an integer number (140050).

2^1198099 is an apocalyptic number.

1198099 is a deficient number, since it is larger than the sum of its proper divisors (202401).

1198099 is an frugal number, since it uses more digits than its factorization.

1198099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 1198099 is about 1094.5770872807. The cubic root of 1198099 is about 106.2097129846.

The spelling of 1198099 in words is "one million, one hundred ninety-eight thousand, ninety-nine".