1298199 has 8 divisors (see below), whose sum is σ = 1978240. Its totient is φ = 741816.

The previous prime is 1298197. The next prime is 1298221. The reversal of 1298199 is 9918921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1298199 - 2¹ = 1298197 is a prime.

It is a Duffinian number.

1298199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30889 + ... + 30930.

It is an arithmetic number, because the mean of its divisors is an integer number (247280).

2^1298199 is an apocalyptic number.

1298199 is a deficient number, since it is larger than the sum of its proper divisors (680041).

1298199 is an equidigital number, since it uses as much as digits as its factorization.

1298199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61829.

The product of its digits is 11664, while the sum is 39.

The square root of 1298199 is about 1139.3853606221. The cubic root of 1298199 is about 109.0888650501.

The spelling of 1298199 in words is "one million, two hundred ninety-eight thousand, one hundred ninety-nine".