1015216 has 20 divisors (see below), whose sum is σ = 1988712. Its totient is φ = 502016.

The previous prime is 1015207. The next prime is 1015277. The reversal of 1015216 is 6125101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1015216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416 + ... + 2008.

2^1015216 is an apocalyptic number.

1015216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1015216 is a deficient number, since it is larger than the sum of its proper divisors (973496).

1015216 is a wasteful number, since it uses less digits than its factorization.

1015216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1015216 is about 1007.5792772780. The cubic root of 1015216 is about 100.5046490098.

The spelling of 1015216 in words is "one million, fifteen thousand, two hundred sixteen".