1122436428 has 12 divisors (see below), whose sum is σ = 2619018360. Its totient is φ = 374145472.

The previous prime is 1122436391. The next prime is 1122436433. The reversal of 1122436428 is 8246342211.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46768173 + ... + 46768196.

It is an arithmetic number, because the mean of its divisors is an integer number (218251530).

Almost surely, 2^1122436428 is an apocalyptic number.

It is an amenable number.

1122436428 is an abundant number, since it is smaller than the sum of its proper divisors (1496581932).

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

1122436428 is a wasteful number, since it uses less digits than its factorization.

1122436428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93536376 (or 93536374 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 1122436428 is about 33502.7823919149. The cubic root of 1122436428 is about 1039.2513189062.

Adding to 1122436428 its reverse (8246342211), we get a palindrome (9368778639).

The spelling of 1122436428 in words is "one billion, one hundred twenty-two million, four hundred thirty-six thousand, four hundred twenty-eight".