1021367 has 2 divisors, whose sum is σ = 1021368. Its totient is φ = 1021366.

The previous prime is 1021333. The next prime is 1021369. The reversal of 1021367 is 7631201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021367 - 2⁶ = 1021303 is a prime.

Together with 1021369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510683 + 510684.

It is an arithmetic number, because the mean of its divisors is an integer number (510684).

2^1021367 is an apocalyptic number.

1021367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021367 is an equidigital number, since it uses as much as digits as its factorization.

1021367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1021367 is about 1010.6270330839. The cubic root of 1021367 is about 100.7072199421.

Adding to 1021367 its reverse (7631201), we get a palindrome (8652568).

The spelling of 1021367 in words is "one million, twenty-one thousand, three hundred sixty-seven".