1152644 has 12 divisors (see below), whose sum is σ = 2055564. Its totient is φ = 565344.

The previous prime is 1152643. The next prime is 1152649. The reversal of 1152644 is 4462511.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 409600 = 862^2 + 640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152643) 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, 2507 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (171297).

2^1152644 is an apocalyptic number.

It is an amenable number.

1152644 is a deficient number, since it is larger than the sum of its proper divisors (902920).

1152644 is a wasteful number, since it uses less digits than its factorization.

1152644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5492 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1152644 is about 1073.6125930707. The cubic root of 1152644 is about 104.8491863593.

The spelling of 1152644 in words is "one million, one hundred fifty-two thousand, six hundred forty-four".