1156056 has 64 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 336000.

The previous prime is 1156039. The next prime is 1156073. The reversal of 1156056 is 6506511.

It is an interprime number because it is at equal distance from previous prime (1156039) and next prime (1156073).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7581 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2^1156056 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 1156056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641600).

1156056 is an abundant number, since it is smaller than the sum of its proper divisors (2127144).

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

1156056 is a wasteful number, since it uses less digits than its factorization.

1156056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 196 counting only the distinct ones).

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

The square root of 1156056 is about 1075.2004464285. The cubic root of 1156056 is about 104.9525409104.

It can be divided in two parts, 11 and 56056, that multiplied together give a palindrome (616616).

The spelling of 1156056 in words is "one million, one hundred fifty-six thousand, fifty-six".