1264761063 has 6 divisors (see below), whose sum is σ = 1826877104. Its totient is φ = 843174036.

The previous prime is 1264761061. The next prime is 1264761083. The reversal of 1264761063 is 3601674621.

It is a happy number.

1264761063 is a `hidden beast` number, since 1 + 2 + 647 + 6 + 1 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 1264761063 - 2¹ = 1264761061 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 (1264761061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70264495 + ... + 70264512.

Almost surely, 2^1264761063 is an apocalyptic number.

1264761063 is a deficient number, since it is larger than the sum of its proper divisors (562116041).

1264761063 is a wasteful number, since it uses less digits than its factorization.

1264761063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140529013 (or 140529010 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1264761063 is about 35563.4793432814. The cubic root of 1264761063 is about 1081.4409957274.

The spelling of 1264761063 in words is "one billion, two hundred sixty-four million, seven hundred sixty-one thousand, sixty-three".