1266527 has 2 divisors, whose sum is σ = 1266528. Its totient is φ = 1266526.

The previous prime is 1266523. The next prime is 1266539. The reversal of 1266527 is 7256621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1266527 - 2² = 1266523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1266527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633263 + 633264.

It is an arithmetic number, because the mean of its divisors is an integer number (633264).

2^1266527 is an apocalyptic number.

1266527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266527 is an equidigital number, since it uses as much as digits as its factorization.

1266527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 1266527 is about 1125.4008174868. The cubic root of 1266527 is about 108.1944086409.

The spelling of 1266527 in words is "one million, two hundred sixty-six thousand, five hundred twenty-seven".