1266277 has 2 divisors, whose sum is σ = 1266278. Its totient is φ = 1266276.

The previous prime is 1266271. The next prime is 1266281. The reversal of 1266277 is 7726621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 25281 = 1114^2 + 159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1266277 - 2³ = 1266269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633138 + 633139.

It is an arithmetic number, because the mean of its divisors is an integer number (633139).

2^1266277 is an apocalyptic number.

It is an amenable number.

1266277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266277 is an equidigital number, since it uses as much as digits as its factorization.

1266277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 1266277 is about 1125.2897404669. The cubic root of 1266277 is about 108.1872893343.

The spelling of 1266277 in words is "one million, two hundred sixty-six thousand, two hundred seventy-seven".