1266754 has 4 divisors (see below), whose sum is σ = 1900134. Its totient is φ = 633376.

The previous prime is 1266751. The next prime is 1266757. The reversal of 1266754 is 4576621.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1266751) and next prime (1266757).

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 5625 = 1123^2 + 75^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1266751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316687 + ... + 316690.

2^1266754 is an apocalyptic number.

1266754 is a deficient number, since it is larger than the sum of its proper divisors (633380).

1266754 is an equidigital number, since it uses as much as digits as its factorization.

1266754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633379.

The product of its digits is 10080, while the sum is 31.

The square root of 1266754 is about 1125.5016659250. The cubic root of 1266754 is about 108.2008721598.

It can be divided in two parts, 12667 and 54, that added together give a palindrome (12721).

The spelling of 1266754 in words is "one million, two hundred sixty-six thousand, seven hundred fifty-four".