1158879 has 8 divisors (see below), whose sum is σ = 1578240. Its totient is φ = 756056.

The previous prime is 1158863. The next prime is 1158881. The reversal of 1158879 is 9788511.

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 1158879 - 2⁴ = 1158863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158679) 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, 3969 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (197280).

2^1158879 is an apocalyptic number.

1158879 is a deficient number, since it is larger than the sum of its proper divisors (419361).

1158879 is an equidigital number, since it uses as much as digits as its factorization.

1158879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its digits is 20160, while the sum is 39.

The square root of 1158879 is about 1076.5124244522. The cubic root of 1158879 is about 105.0379001503.

The spelling of 1158879 in words is "one million, one hundred fifty-eight thousand, eight hundred seventy-nine".