1159812 has 24 divisors (see below), whose sum is σ = 3007200. Its totient is φ = 386568.

The previous prime is 1159811. The next prime is 1159813. The reversal of 1159812 is 2189511.

It is an interprime number because it is at equal distance from previous prime (1159811) and next prime (1159813).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1159811) 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, 5262 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (125300).

2^1159812 is an apocalyptic number.

1159812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1159812 is an abundant number, since it is smaller than the sum of its proper divisors (1847388).

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

1159812 is a wasteful number, since it uses less digits than its factorization.

1159812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 10744 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1159812 is about 1076.9456810815. The cubic root of 1159812 is about 105.0660808528.

The spelling of 1159812 in words is "one million, one hundred fifty-nine thousand, eight hundred twelve".