1268277 has 4 divisors (see below), whose sum is σ = 1691040. Its totient is φ = 845516.

The previous prime is 1268261. The next prime is 1268279. The reversal of 1268277 is 7728621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1268277 - 2⁴ = 1268261 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268279) 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 3 ways as a sum of consecutive naturals, for example, 211377 + ... + 211382.

It is an arithmetic number, because the mean of its divisors is an integer number (422760).

2^1268277 is an apocalyptic number.

It is an amenable number.

1268277 is a deficient number, since it is larger than the sum of its proper divisors (422763).

1268277 is an equidigital number, since it uses as much as digits as its factorization.

1268277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422762.

The product of its digits is 9408, while the sum is 33.

The square root of 1268277 is about 1126.1780498660. The cubic root of 1268277 is about 108.2442175741.

It can be divided in two parts, 1 and 268277, that added together give a triangular number (268278 = T₇₃₂).

The spelling of 1268277 in words is "one million, two hundred sixty-eight thousand, two hundred seventy-seven".