1147044 has 24 divisors (see below), whose sum is σ = 2722048. Its totient is φ = 375840.

The previous prime is 1147043. The next prime is 1147051. The reversal of 1147044 is 4407411.

It is a self number, because there is not a number n which added to its sum of digits gives 1147044.

It is not an unprimeable number, because it can be changed into a prime (1147043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 1515.

2^1147044 is an apocalyptic number.

It is an amenable number.

1147044 is an abundant number, since it is smaller than the sum of its proper divisors (1575004).

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

1147044 is a wasteful number, since it uses less digits than its factorization.

1147044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1147044 is about 1071.0014005593. The cubic root of 1147044 is about 104.6791110379.

The spelling of 1147044 in words is "one million, one hundred forty-seven thousand, forty-four".