1264562 has 16 divisors (see below), whose sum is σ = 2163672. Its totient is φ = 549120.

The previous prime is 1264561. The next prime is 1264573. The reversal of 1264562 is 2654621.

It can be written as a sum of positive squares in 4 ways, for example, as 1062961 + 201601 = 1031^2 + 449^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1264561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989 + ... + 1872.

2^1264562 is an apocalyptic number.

1264562 is a deficient number, since it is larger than the sum of its proper divisors (899110).

1264562 is a wasteful number, since it uses less digits than its factorization.

1264562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893.

The product of its digits is 2880, while the sum is 26.

The square root of 1264562 is about 1124.5274563122. The cubic root of 1264562 is about 108.1384256108.

The spelling of 1264562 in words is "one million, two hundred sixty-four thousand, five hundred sixty-two".