1159894 has 4 divisors (see below), whose sum is σ = 1739844. Its totient is φ = 579946.

The previous prime is 1159889. The next prime is 1159901. The reversal of 1159894 is 4989511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 289972 + ... + 289975.

It is an arithmetic number, because the mean of its divisors is an integer number (434961).

2^1159894 is an apocalyptic number.

1159894 is a deficient number, since it is larger than the sum of its proper divisors (579950).

1159894 is an equidigital number, since it uses as much as digits as its factorization.

1159894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579949.

The product of its digits is 12960, while the sum is 37.

The square root of 1159894 is about 1076.9837510381. The cubic root of 1159894 is about 105.0685568908.

It can be divided in two parts, 1 and 159894, that added together give a triangular number (159895 = T₅₆₅).

The spelling of 1159894 in words is "one million, one hundred fifty-nine thousand, eight hundred ninety-four".