1320002507 has 2 divisors, whose sum is σ = 1320002508. Its totient is φ = 1320002506.

The previous prime is 1320002477. The next prime is 1320002527. The reversal of 1320002507 is 7052000231.

It is an a-pointer prime, because the next prime (1320002527) can be obtained adding 1320002507 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320002507 - 2¹² = 1319998411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320002527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660001253 + 660001254.

It is an arithmetic number, because the mean of its divisors is an integer number (660001254).

Almost surely, 2^1320002507 is an apocalyptic number.

1320002507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320002507 is an equidigital number, since it uses as much as digits as its factorization.

1320002507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1320002507 is about 36331.8387506055. The cubic root of 1320002507 is about 1096.9620049512.

Adding to 1320002507 its reverse (7052000231), we get a palindrome (8372002738).

The spelling of 1320002507 in words is "one billion, three hundred twenty million, two thousand, five hundred seven".