1165112 has 32 divisors (see below), whose sum is σ = 2494800. Its totient is φ = 505344.

The previous prime is 1165103. The next prime is 1165121. The reversal of 1165112 is 2115611.

It is an interprime number because it is at equal distance from previous prime (1165103) and next prime (1165121).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 2097.

2^1165112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247400).

1165112 is an abundant number, since it is smaller than the sum of its proper divisors (1329688).

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

1165112 is a wasteful number, since it uses less digits than its factorization.

1165112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 691 counting only the distinct ones).

The product of its digits is 60, while the sum is 17.

The square root of 1165112 is about 1079.4035389973. The cubic root of 1165112 is about 105.2258780618.

The spelling of 1165112 in words is "one million, one hundred sixty-five thousand, one hundred twelve".