1264764067 has 8 divisors (see below), whose sum is σ = 1445675616. Its totient is φ = 1083910272.

The previous prime is 1264764049. The next prime is 1264764091. The reversal of 1264764067 is 7604674621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264764067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264764097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54363 + ... + 74059.

It is an arithmetic number, because the mean of its divisors is an integer number (180709452).

Almost surely, 2^1264764067 is an apocalyptic number.

1264764067 is a deficient number, since it is larger than the sum of its proper divisors (180911549).

1264764067 is an equidigital number, since it uses as much as digits as its factorization.

1264764067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28877.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 1264764067 is about 35563.5215775941. The cubic root of 1264764067 is about 1081.4418519224.

The spelling of 1264764067 in words is "one billion, two hundred sixty-four million, seven hundred sixty-four thousand, sixty-seven".