1122321040 has 40 divisors (see below), whose sum is σ = 2636315640. Its totient is φ = 444297216.

The previous prime is 1122321029. The next prime is 1122321043. The reversal of 1122321040 is 401232211.

It can be written as a sum of positive squares in 4 ways, for example, as 313714944 + 808606096 = 17712^2 + 28436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1122321043) 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, 64555 + ... + 80074.

It is an arithmetic number, because the mean of its divisors is an integer number (65907891).

Almost surely, 2^1122321040 is an apocalyptic number.

1122321040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122321040 is an abundant number, since it is smaller than the sum of its proper divisors (1513994600).

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

1122321040 is a wasteful number, since it uses less digits than its factorization.

1122321040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144739 (or 144733 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122321040 is about 33501.0602817284. The cubic root of 1122321040 is about 1039.2157055334.

Adding to 1122321040 its reverse (401232211), we get a palindrome (1523553251).

The spelling of 1122321040 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, forty".