1264771 has 4 divisors (see below), whose sum is σ = 1298992. Its totient is φ = 1230552.

The previous prime is 1264763. The next prime is 1264787. The reversal of 1264771 is 1774621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1264771 - 2³ = 1264763 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17055 + ... + 17128.

It is an arithmetic number, because the mean of its divisors is an integer number (324748).

2^1264771 is an apocalyptic number.

1264771 is a deficient number, since it is larger than the sum of its proper divisors (34221).

1264771 is an equidigital number, since it uses as much as digits as its factorization.

1264771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34220.

The product of its digits is 2352, while the sum is 28.

The square root of 1264771 is about 1124.6203803951. The cubic root of 1264771 is about 108.1443827949.

The spelling of 1264771 in words is "one million, two hundred sixty-four thousand, seven hundred seventy-one".