1226533 has 16 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 898560.

The previous prime is 1226531. The next prime is 1226539. The reversal of 1226533 is 3356221.

It is a cyclic number.

It is not a de Polignac number, because 1226533 - 2¹ = 1226531 is a prime.

1226533 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226531) 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, 841 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (101304).

2^1226533 is an apocalyptic number.

It is an amenable number.

1226533 is a deficient number, since it is larger than the sum of its proper divisors (394331).

1226533 is a wasteful number, since it uses less digits than its factorization.

1226533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 1080, while the sum is 22.

The square root of 1226533 is about 1107.4895033363. The cubic root of 1226533 is about 107.0433632143.

The spelling of 1226533 in words is "one million, two hundred twenty-six thousand, five hundred thirty-three".