1264197063 has 8 divisors (see below), whose sum is σ = 1686054528. Its totient is φ = 842568824.

The previous prime is 1264197059. The next prime is 1264197083. The reversal of 1264197063 is 3607914621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264197063 - 2² = 1264197059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264197013) 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 7 ways as a sum of consecutive naturals, for example, 43995 + ... + 66812.

It is an arithmetic number, because the mean of its divisors is an integer number (210756816).

Almost surely, 2^1264197063 is an apocalyptic number.

1264197063 is a deficient number, since it is larger than the sum of its proper divisors (421857465).

1264197063 is a wasteful number, since it uses less digits than its factorization.

1264197063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114613.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1264197063 is about 35555.5489762147. The cubic root of 1264197063 is about 1081.2802213790.

The spelling of 1264197063 in words is "one billion, two hundred sixty-four million, one hundred ninety-seven thousand, sixty-three".