1266434 has 16 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 574992.

The previous prime is 1266431. The next prime is 1266451. The reversal of 1266434 is 4346621.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1266431) 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, 1379 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (129948).

2^1266434 is an apocalyptic number.

1266434 is a deficient number, since it is larger than the sum of its proper divisors (812734).

1266434 is a wasteful number, since it uses less digits than its factorization.

1266434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its digits is 3456, while the sum is 26.

The square root of 1266434 is about 1125.3594981160. The cubic root of 1266434 is about 108.1917603683.

The spelling of 1266434 in words is "one million, two hundred sixty-six thousand, four hundred thirty-four".