1226864 has 10 divisors (see below), whose sum is σ = 2377080. Its totient is φ = 613424.

The previous prime is 1226861. The next prime is 1226867. The reversal of 1226864 is 4686221.

It is an interprime number because it is at equal distance from previous prime (1226861) and next prime (1226867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38324 + ... + 38355.

It is an arithmetic number, because the mean of its divisors is an integer number (237708).

2^1226864 is an apocalyptic number.

It is an amenable number.

1226864 is a deficient number, since it is larger than the sum of its proper divisors (1150216).

1226864 is an equidigital number, since it uses as much as digits as its factorization.

1226864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76687 (or 76681 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1226864 is about 1107.6389303379. The cubic root of 1226864 is about 107.0529914826.

The spelling of 1226864 in words is "one million, two hundred twenty-six thousand, eight hundred sixty-four".