1264841 has 4 divisors (see below), whose sum is σ = 1267092. Its totient is φ = 1262592.

The previous prime is 1264829. The next prime is 1264853. The reversal of 1264841 is 1484621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1264829) and next prime (1264853).

It can be written as a sum of positive squares in 2 ways, for example, as 687241 + 577600 = 829^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264841 - 2¹⁰ = 1263817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1264841.

It is not an unprimeable number, because it can be changed into a prime (1264801) 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, 521 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (316773).

2^1264841 is an apocalyptic number.

It is an amenable number.

1264841 is a deficient number, since it is larger than the sum of its proper divisors (2251).

1264841 is a wasteful number, since it uses less digits than its factorization.

1264841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 1536, while the sum is 26.

The square root of 1264841 is about 1124.6515015773. The cubic root of 1264841 is about 108.1463778773.

The spelling of 1264841 in words is "one million, two hundred sixty-four thousand, eight hundred forty-one".