1159872 has 56 divisors (see below), whose sum is σ = 3511296. Its totient is φ = 331008.

The previous prime is 1159861. The next prime is 1159877. The reversal of 1159872 is 2789511.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1159877) 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, 913 + ... + 1775.

2^1159872 is an apocalyptic number.

1159872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755648).

1159872 is an abundant number, since it is smaller than the sum of its proper divisors (2351424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159872 is an equidigital number, since it uses as much as digits as its factorization.

1159872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 875 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 1159872 is about 1076.9735372794. The cubic root of 1159872 is about 105.0678925994.

The spelling of 1159872 in words is "one million, one hundred fifty-nine thousand, eight hundred seventy-two".