1021227 has 4 divisors (see below), whose sum is σ = 1361640. Its totient is φ = 680816.

The previous prime is 1021217. The next prime is 1021243. The reversal of 1021227 is 7221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1021227 - 2¹² = 1017131 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1021217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170202 + ... + 170207.

It is an arithmetic number, because the mean of its divisors is an integer number (340410).

2^1021227 is an apocalyptic number.

1021227 is a deficient number, since it is larger than the sum of its proper divisors (340413).

1021227 is an equidigital number, since it uses as much as digits as its factorization.

1021227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340412.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1021227 is about 1010.5577667803. The cubic root of 1021227 is about 100.7026183787.

Adding to 1021227 its reverse (7221201), we get a palindrome (8242428).

The spelling of 1021227 in words is "one million, twenty-one thousand, two hundred twenty-seven".