1156044 has 12 divisors (see below), whose sum is σ = 2697464. Its totient is φ = 385344.

The previous prime is 1156039. The next prime is 1156073. The reversal of 1156044 is 4406511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1156044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48157 + ... + 48180.

2^1156044 is an apocalyptic number.

It is an amenable number.

1156044 is an abundant number, since it is smaller than the sum of its proper divisors (1541420).

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

1156044 is a wasteful number, since it uses less digits than its factorization.

1156044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96344 (or 96342 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1156044 is about 1075.1948660592. The cubic root of 1156044 is about 104.9521777692.

The spelling of 1156044 in words is "one million, one hundred fifty-six thousand, forty-four".