1198406299 has 4 divisors (see below), whose sum is σ = 1198475920. Its totient is φ = 1198336680.

The previous prime is 1198406273. The next prime is 1198406333. The reversal of 1198406299 is 9926048911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1198406299 - 2¹⁷ = 1198275227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198406219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11929 + ... + 50389.

It is an arithmetic number, because the mean of its divisors is an integer number (299618980).

Almost surely, 2^1198406299 is an apocalyptic number.

1198406299 is a deficient number, since it is larger than the sum of its proper divisors (69621).

1198406299 is an equidigital number, since it uses as much as digits as its factorization.

1198406299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69620.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1198406299 is about 34618.0054162570. The cubic root of 1198406299 is about 1062.1879274304.

The spelling of 1198406299 in words is "one billion, one hundred ninety-eight million, four hundred six thousand, two hundred ninety-nine".