1012215 has 8 divisors (see below), whose sum is σ = 1619568. Its totient is φ = 539840.

The previous prime is 1012213. The next prime is 1012217. The reversal of 1012215 is 5122101.

It is an interprime number because it is at equal distance from previous prime (1012213) and next prime (1012217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012215 - 2¹ = 1012213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012213) 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, 33726 + ... + 33755.

It is an arithmetic number, because the mean of its divisors is an integer number (202446).

2^1012215 is an apocalyptic number.

1012215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012215 is a deficient number, since it is larger than the sum of its proper divisors (607353).

1012215 is an equidigital number, since it uses as much as digits as its factorization.

1012215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67489.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1012215 is about 1006.0889622692. The cubic root of 1012215 is about 100.4055199793.

Adding to 1012215 its reverse (5122101), we get a palindrome (6134316).

The spelling of 1012215 in words is "one million, twelve thousand, two hundred fifteen".