1226329 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1025280.

The previous prime is 1226321. The next prime is 1226339. The reversal of 1226329 is 9236221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1226329 - 2³ = 1226321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6762 + ... + 6940.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1226329 is an apocalyptic number.

It is an amenable number.

1226329 is a deficient number, since it is larger than the sum of its proper divisors (225191).

1226329 is a wasteful number, since it uses less digits than its factorization.

1226329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its digits is 1296, while the sum is 25.

The square root of 1226329 is about 1107.3973993107. The cubic root of 1226329 is about 107.0374283130.

The spelling of 1226329 in words is "one million, two hundred twenty-six thousand, three hundred twenty-nine".