1197879 has 8 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 794616.

The previous prime is 1197829. The next prime is 1197881. The reversal of 1197879 is 9787911.

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 1197879 - 2⁷ = 1197751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1197879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (200640).

2^1197879 is an apocalyptic number.

1197879 is a deficient number, since it is larger than the sum of its proper divisors (407241).

1197879 is a wasteful number, since it uses less digits than its factorization.

1197879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989.

The product of its digits is 31752, while the sum is 42.

The square root of 1197879 is about 1094.4765872325. The cubic root of 1197879 is about 106.2032116946.

The spelling of 1197879 in words is "one million, one hundred ninety-seven thousand, eight hundred seventy-nine".