1072215 has 12 divisors (see below), whose sum is σ = 1858584. Its totient is φ = 571824.

The previous prime is 1072213. The next prime is 1072219. The reversal of 1072215 is 5122701.

It is not a de Polignac number, because 1072215 - 2¹ = 1072213 is a prime.

It is a super-2 number, since 2×1072215² = 2299290012450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11869 + ... + 11958.

It is an arithmetic number, because the mean of its divisors is an integer number (154882).

2^1072215 is an apocalyptic number.

1072215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1072215 is a deficient number, since it is larger than the sum of its proper divisors (786369).

1072215 is a wasteful number, since it uses less digits than its factorization.

1072215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23838 (or 23835 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1072215 is about 1035.4781504213. The cubic root of 1072215 is about 102.3514405483.

Adding to 1072215 its reverse (5122701), we get a palindrome (6194916).

The spelling of 1072215 in words is "one million, seventy-two thousand, two hundred fifteen".