1161579 has 8 divisors (see below), whose sum is σ = 1572160. Its totient is φ = 762696.

The previous prime is 1161553. The next prime is 1161581. The reversal of 1161579 is 9751611.

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

It is not a de Polignac number, because 1161579 - 2⁵ = 1161547 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1161509) 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, 2689 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (196520).

2^1161579 is an apocalyptic number.

1161579 is a deficient number, since it is larger than the sum of its proper divisors (410581).

1161579 is an equidigital number, since it uses as much as digits as its factorization.

1161579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849.

The product of its digits is 1890, while the sum is 30.

The square root of 1161579 is about 1077.7657444918. The cubic root of 1161579 is about 105.1194106347.

The spelling of 1161579 in words is "one million, one hundred sixty-one thousand, five hundred seventy-nine".