1198959 has 8 divisors (see below), whose sum is σ = 1692720. Its totient is φ = 752256.

The previous prime is 1198949. The next prime is 1198973. The reversal of 1198959 is 9598911.

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

It is not a de Polignac number, because 1198959 - 2⁵ = 1198927 is a prime.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 1198959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11704 + ... + 11805.

It is an arithmetic number, because the mean of its divisors is an integer number (211590).

2^1198959 is an apocalyptic number.

1198959 is a deficient number, since it is larger than the sum of its proper divisors (493761).

1198959 is a wasteful number, since it uses less digits than its factorization.

1198959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23529.

The product of its digits is 29160, while the sum is 42.

The square root of 1198959 is about 1094.9698625990. The cubic root of 1198959 is about 106.2351194847.

The spelling of 1198959 in words is "one million, one hundred ninety-eight thousand, nine hundred fifty-nine".