1299927481507 has 2 divisors, whose sum is σ = 1299927481508. Its totient is φ = 1299927481506.

The previous prime is 1299927481471. The next prime is 1299927481529. The reversal of 1299927481507 is 7051847299921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1299927481507 - 2¹⁵ = 1299927448739 is a prime.

It is a super-2 number, since 2×1299927481507² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1299967481507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649963740753 + 649963740754.

It is an arithmetic number, because the mean of its divisors is an integer number (649963740754).

Almost surely, 2^{1299927481507} is an apocalyptic number.

1299927481507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299927481507 is an equidigital number, since it uses as much as digits as its factorization.

1299927481507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 1299927481507 in words is "one trillion, two hundred ninety-nine billion, nine hundred twenty-seven million, four hundred eighty-one thousand, five hundred seven".