1122003120 has 80 divisors (see below), whose sum is σ = 3975102720. Its totient is φ = 256457472.

The previous prime is 1122003101. The next prime is 1122003139. The reversal of 1122003120 is 213002211.

It is an interprime number because it is at equal distance from previous prime (1122003101) and next prime (1122003139).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1122003096 and 1122003105.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 332250 + ... + 335609.

It is an arithmetic number, because the mean of its divisors is an integer number (49688784).

Almost surely, 2^1122003120 is an apocalyptic number.

1122003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122003120 is an abundant number, since it is smaller than the sum of its proper divisors (2853099600).

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

1122003120 is a wasteful number, since it uses less digits than its factorization.

1122003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667882 (or 667876 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122003120 is about 33496.3150212079. The cubic root of 1122003120 is about 1039.1175700189.

Adding to 1122003120 its reverse (213002211), we get a palindrome (1335005331).

Subtracting from 1122003120 its reverse (213002211), we obtain a palindrome (909000909).

The spelling of 1122003120 in words is "one billion, one hundred twenty-two million, three thousand, one hundred twenty".