1226767 has 2 divisors, whose sum is σ = 1226768. Its totient is φ = 1226766.

The previous prime is 1226741. The next prime is 1226779. The reversal of 1226767 is 7676221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613383 + 613384.

It is an arithmetic number, because the mean of its divisors is an integer number (613384).

2^1226767 is an apocalyptic number.

1226767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226767 is an equidigital number, since it uses as much as digits as its factorization.

1226767 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 1226767 is about 1107.5951426401. The cubic root of 1226767 is about 107.0501700849.

It can be divided in two parts, 122 and 6767, that added together give a square (6889 = 83²).

The spelling of 1226767 in words is "one million, two hundred twenty-six thousand, seven hundred sixty-seven".