1026213 has 4 divisors (see below), whose sum is σ = 1368288. Its totient is φ = 684140.

The previous prime is 1026199. The next prime is 1026217. The reversal of 1026213 is 3126201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1026213 - 2⁴ = 1026197 is a prime.

It is a super-2 number, since 2×1026213² = 2106226242738, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1026192 and 1026201.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171033 + ... + 171038.

It is an arithmetic number, because the mean of its divisors is an integer number (342072).

2^1026213 is an apocalyptic number.

It is an amenable number.

1026213 is a deficient number, since it is larger than the sum of its proper divisors (342075).

1026213 is an equidigital number, since it uses as much as digits as its factorization.

1026213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1026213 is about 1013.0217174375. The cubic root of 1026213 is about 100.8662412606.

The spelling of 1026213 in words is "one million, twenty-six thousand, two hundred thirteen".