1156036 has 48 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 449280.

The previous prime is 1156033. The next prime is 1156037. The reversal of 1156036 is 6306511.

It is a junction number, because it is equal to n+sod(n) for n = 1155998 and 1156016.

It is not an unprimeable number, because it can be changed into a prime (1156031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21786 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^1156036 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 1156036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080).

1156036 is an abundant number, since it is smaller than the sum of its proper divisors (1384124).

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

1156036 is a wasteful number, since it uses less digits than its factorization.

1156036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1156036 is about 1075.1911457969. The cubic root of 1156036 is about 104.9519356736.

The spelling of 1156036 in words is "one million, one hundred fifty-six thousand, thirty-six".