1163959 has 4 divisors (see below), whose sum is σ = 1225240. Its totient is φ = 1102680.

The previous prime is 1163947. The next prime is 1163969. The reversal of 1163959 is 9593611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9593611 = 1217 ⋅7883.

It is a cyclic number.

It is not a de Polignac number, because 1163959 - 2⁷ = 1163831 is a prime.

It is a Duffinian number.

1163959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163969) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 30612 + ... + 30649.

It is an arithmetic number, because the mean of its divisors is an integer number (306310).

2^1163959 is an apocalyptic number.

1163959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1163959 is a deficient number, since it is larger than the sum of its proper divisors (61281).

1163959 is an equidigital number, since it uses as much as digits as its factorization.

1163959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61280.

The product of its digits is 7290, while the sum is 34.

The square root of 1163959 is about 1078.8693155336. The cubic root of 1163959 is about 105.1911559404.

The spelling of 1163959 in words is "one million, one hundred sixty-three thousand, nine hundred fifty-nine".