1187879 has 8 divisors (see below), whose sum is σ = 1481088. Its totient is φ = 925560.

The previous prime is 1187873. The next prime is 1187887. The reversal of 1187879 is 9787811.

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

It is a cyclic number.

It is not a de Polignac number, because 1187879 - 2⁴ = 1187863 is a prime.

It is a super-2 number, since 2×1187879² = 2822113037282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187873) 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 7 ways as a sum of consecutive naturals, for example, 7637 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (185136).

2^1187879 is an apocalyptic number.

1187879 is a deficient number, since it is larger than the sum of its proper divisors (293209).

1187879 is a wasteful number, since it uses less digits than its factorization.

1187879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445.

The product of its digits is 28224, while the sum is 41.

The square root of 1187879 is about 1089.8986191385. The cubic root of 1187879 is about 105.9068542125.

It can be divided in two parts, 118 and 7879, that added together give a palindrome (7997).

The spelling of 1187879 in words is "one million, one hundred eighty-seven thousand, eight hundred seventy-nine".