1264545063 has 6 divisors (see below), whose sum is σ = 1826565104. Its totient is φ = 843030036.

The previous prime is 1264544987. The next prime is 1264545077. The reversal of 1264545063 is 3605454621.

1264545063 is a `hidden beast` number, since 1 + 2 + 645 + 4 + 5 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 1264545063 - 2⁹ = 1264544551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264545563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70252495 + ... + 70252512.

Almost surely, 2^1264545063 is an apocalyptic number.

1264545063 is a deficient number, since it is larger than the sum of its proper divisors (562020041).

1264545063 is a wasteful number, since it uses less digits than its factorization.

1264545063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140505013 (or 140505010 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1264545063 is about 35560.4423903865. The cubic root of 1264545063 is about 1081.3794282211.

Adding to 1264545063 its reverse (3605454621), we get a palindrome (4869999684).

The spelling of 1264545063 in words is "one billion, two hundred sixty-four million, five hundred forty-five thousand, sixty-three".