1012321307 has 2 divisors, whose sum is σ = 1012321308. Its totient is φ = 1012321306.

The previous prime is 1012321301. The next prime is 1012321319. The reversal of 1012321307 is 7031232101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012321307 - 2¹⁸ = 1012059163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012321301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506160653 + 506160654.

It is an arithmetic number, because the mean of its divisors is an integer number (506160654).

Almost surely, 2^1012321307 is an apocalyptic number.

1012321307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012321307 is an equidigital number, since it uses as much as digits as its factorization.

1012321307 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 1012321307 is about 31816.9971398936. The cubic root of 1012321307 is about 1004.0903485701.

Adding to 1012321307 its reverse (7031232101), we get a palindrome (8043553408).

The spelling of 1012321307 in words is "one billion, twelve million, three hundred twenty-one thousand, three hundred seven".