1226851 has 2 divisors, whose sum is σ = 1226852. Its totient is φ = 1226850.

The previous prime is 1226831. The next prime is 1226857. The reversal of 1226851 is 1586221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226851 - 2⁹ = 1226339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613425 + 613426.

It is an arithmetic number, because the mean of its divisors is an integer number (613426).

2^1226851 is an apocalyptic number.

1226851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226851 is an equidigital number, since it uses as much as digits as its factorization.

1226851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 1226851 is about 1107.6330619840. The cubic root of 1226851 is about 107.0526133657.

The spelling of 1226851 in words is "one million, two hundred twenty-six thousand, eight hundred fifty-one".