1264948843 has 8 divisors (see below), whose sum is σ = 1274596112. Its totient is φ = 1255322016.

The previous prime is 1264948837. The next prime is 1264948913. The reversal of 1264948843 is 3488494621.

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 1264948843 - 2⁹ = 1264948331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264948343) 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, 133096 + ... + 142282.

It is an arithmetic number, because the mean of its divisors is an integer number (159324514).

Almost surely, 2^1264948843 is an apocalyptic number.

1264948843 is a deficient number, since it is larger than the sum of its proper divisors (9647269).

1264948843 is an equidigital number, since it uses as much as digits as its factorization.

1264948843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221.

The product of its digits is 1327104, while the sum is 49.

The square root of 1264948843 is about 35566.1193131891. The cubic root of 1264948843 is about 1081.4945138574.

The spelling of 1264948843 in words is "one billion, two hundred sixty-four million, nine hundred forty-eight thousand, eight hundred forty-three".