1152816 has 80 divisors (see below), whose sum is σ = 3523584. Its totient is φ = 317952.

The previous prime is 1152799. The next prime is 1152841. The reversal of 1152816 is 6182511.

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

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, 15756 + ... + 15828.

2^1152816 is an apocalyptic number.

1152816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761792).

1152816 is an abundant number, since it is smaller than the sum of its proper divisors (2370768).

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

1152816 is a wasteful number, since it uses less digits than its factorization.

1152816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 132 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 1152816 is about 1073.6926934649. The cubic root of 1152816 is about 104.8544013731.

The spelling of 1152816 in words is "one million, one hundred fifty-two thousand, eight hundred sixteen".