1267766 has 4 divisors (see below), whose sum is σ = 1901652. Its totient is φ = 633882.

The previous prime is 1267757. The next prime is 1267771. The reversal of 1267766 is 6677621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316940 + ... + 316943.

It is an arithmetic number, because the mean of its divisors is an integer number (475413).

2^1267766 is an apocalyptic number.

1267766 is a deficient number, since it is larger than the sum of its proper divisors (633886).

1267766 is an equidigital number, since it uses as much as digits as its factorization.

1267766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633885.

The product of its digits is 21168, while the sum is 35.

The square root of 1267766 is about 1125.9511534698. The cubic root of 1267766 is about 108.2296781043.

The spelling of 1267766 in words is "one million, two hundred sixty-seven thousand, seven hundred sixty-six".