1021000007 has 2 divisors, whose sum is σ = 1021000008. Its totient is φ = 1021000006.

The previous prime is 1020999989. The next prime is 1021000009. The reversal of 1021000007 is 7000001201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021000007 - 2⁶ = 1020999943 is a prime.

Together with 1021000009, 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 (1021000009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510500003 + 510500004.

It is an arithmetic number, because the mean of its divisors is an integer number (510500004).

Almost surely, 2^1021000007 is an apocalyptic number.

1021000007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021000007 is an equidigital number, since it uses as much as digits as its factorization.

1021000007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 1021000007 is about 31953.0907268765. The cubic root of 1021000007 is about 1006.9515660858.

Adding to 1021000007 its reverse (7000001201), we get a palindrome (8021001208).

The spelling of 1021000007 in words is "one billion, twenty-one million, seven", and thus it is an aban number and an uban number.