1026215 has 8 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 815392.

The previous prime is 1026199. The next prime is 1026217. The reversal of 1026215 is 5126201.

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

It is a cyclic number.

It is not a de Polignac number, because 1026215 - 2⁴ = 1026199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026193 and 1026202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026217) 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, 221 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2^1026215 is an apocalyptic number.

1026215 is a deficient number, since it is larger than the sum of its proper divisors (213625).

1026215 is a wasteful number, since it uses less digits than its factorization.

1026215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1026215 is about 1013.0227045827. The cubic root of 1026215 is about 100.8663067871.

The spelling of 1026215 in words is "one million, twenty-six thousand, two hundred fifteen".