1122520404 has 24 divisors (see below), whose sum is σ = 2773286208. Its totient is φ = 352163200.

The previous prime is 1122520403. The next prime is 1122520439. The reversal of 1122520404 is 4040252211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122520403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751072 + ... + 2751479.

It is an arithmetic number, because the mean of its divisors is an integer number (115553592).

Almost surely, 2^1122520404 is an apocalyptic number.

It is an amenable number.

1122520404 is an abundant number, since it is smaller than the sum of its proper divisors (1650765804).

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

1122520404 is a wasteful number, since it uses less digits than its factorization.

1122520404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502575 (or 5502573 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1122520404 is about 33504.0356375169. The cubic root of 1122520404 is about 1039.2772357392.

Adding to 1122520404 its reverse (4040252211), we get a palindrome (5162772615).

The spelling of 1122520404 in words is "one billion, one hundred twenty-two million, five hundred twenty thousand, four hundred four".