1156944 has 20 divisors (see below), whose sum is σ = 2988896. Its totient is φ = 385632.

The previous prime is 1156927. The next prime is 1156949. The reversal of 1156944 is 4496511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004 + ... + 12099.

2^1156944 is an apocalyptic number.

It is an amenable number.

1156944 is an abundant number, since it is smaller than the sum of its proper divisors (1831952).

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

1156944 is a wasteful number, since it uses less digits than its factorization.

1156944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114 (or 24108 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1156944 is about 1075.6133134170. The cubic root of 1156944 is about 104.9794063921.

The spelling of 1156944 in words is "one million, one hundred fifty-six thousand, nine hundred forty-four".