1162859 has 2 divisors, whose sum is σ = 1162860. Its totient is φ = 1162858.

The previous prime is 1162853. The next prime is 1162867. The reversal of 1162859 is 9582611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162859 - 2¹⁶ = 1097323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581429 + 581430.

It is an arithmetic number, because the mean of its divisors is an integer number (581430).

2^1162859 is an apocalyptic number.

1162859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162859 is an equidigital number, since it uses as much as digits as its factorization.

1162859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 1162859 is about 1078.3594020548. The cubic root of 1162859 is about 105.1580085124.

The spelling of 1162859 in words is "one million, one hundred sixty-two thousand, eight hundred fifty-nine".