1230522 has 16 divisors (see below), whose sum is σ = 2498592. Its totient is φ = 403920.

The previous prime is 1230521. The next prime is 1230529. The reversal of 1230522 is 2250321.

It is not an unprimeable number, because it can be changed into a prime (1230521) 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 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (156162).

2^1230522 is an apocalyptic number.

1230522 is an abundant number, since it is smaller than the sum of its proper divisors (1268070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230522 is a wasteful number, since it uses less digits than its factorization.

1230522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1230522 is about 1109.2889614523. The cubic root of 1230522 is about 107.1592817995.

Adding to 1230522 its reverse (2250321), we get a palindrome (3480843).

The spelling of 1230522 in words is "one million, two hundred thirty thousand, five hundred twenty-two".