1016215 has 12 divisors (see below), whose sum is σ = 1289304. Its totient is φ = 768816.

The previous prime is 1016203. The next prime is 1016221. The reversal of 1016215 is 5126101.

It is a happy number.

It is not a de Polignac number, because 1016215 - 2¹⁵ = 983447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (107442).

2^1016215 is an apocalyptic number.

1016215 is a deficient number, since it is larger than the sum of its proper divisors (273089).

1016215 is an equidigital number, since it uses as much as digits as its factorization.

1016215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 587 counting only the distinct ones).

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

The square root of 1016215 is about 1008.0748980111. The cubic root of 1016215 is about 100.5376046333.

The spelling of 1016215 in words is "one million, sixteen thousand, two hundred fifteen".