1226534 has 4 divisors (see below), whose sum is σ = 1839804. Its totient is φ = 613266.

The previous prime is 1226531. The next prime is 1226539. The reversal of 1226534 is 4356221.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 306632 + ... + 306635.

It is an arithmetic number, because the mean of its divisors is an integer number (459951).

2^1226534 is an apocalyptic number.

1226534 is a deficient number, since it is larger than the sum of its proper divisors (613270).

1226534 is an equidigital number, since it uses as much as digits as its factorization.

1226534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613269.

The product of its digits is 1440, while the sum is 23.

The square root of 1226534 is about 1107.4899548077. The cubic root of 1226534 is about 107.0433923053.

The spelling of 1226534 in words is "one million, two hundred twenty-six thousand, five hundred thirty-four".