1264122049199 has 2 divisors, whose sum is σ = 1264122049200. Its totient is φ = 1264122049198.

The previous prime is 1264122049171. The next prime is 1264122049241. The reversal of 1264122049199 is 9919402214621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264122049199 - 2²⁴ = 1264105271983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264122049159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632061024599 + 632061024600.

It is an arithmetic number, because the mean of its divisors is an integer number (632061024600).

Almost surely, 2^{1264122049199} is an apocalyptic number.

1264122049199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264122049199 is an equidigital number, since it uses as much as digits as its factorization.

1264122049199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 1264122049199 in words is "one trillion, two hundred sixty-four billion, one hundred twenty-two million, forty-nine thousand, one hundred ninety-nine".