1155066 has 48 divisors (see below), whose sum is σ = 2668512. Its totient is φ = 332640.

The previous prime is 1155061. The next prime is 1155071. The reversal of 1155066 is 6605511.

It is an interprime number because it is at equal distance from previous prime (1155061) and next prime (1155071).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26841 + ... + 26883.

It is an arithmetic number, because the mean of its divisors is an integer number (55594).

2^1155066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334256).

1155066 is an abundant number, since it is smaller than the sum of its proper divisors (1513446).

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

1155066 is a wasteful number, since it uses less digits than its factorization.

1155066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1155066 is about 1074.7399685505. The cubic root of 1155066 is about 104.9225733053.

The spelling of 1155066 in words is "one million, one hundred fifty-five thousand, sixty-six".