1122001120 has 24 divisors (see below), whose sum is σ = 2650728024. Its totient is φ = 448800384.

The previous prime is 1122001117. The next prime is 1122001183. The reversal of 1122001120 is 211002211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1122001097 and 1122001106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3506094 + ... + 3506413.

It is an arithmetic number, because the mean of its divisors is an integer number (110447001).

Almost surely, 2^1122001120 is an apocalyptic number.

1122001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122001120 is an abundant number, since it is smaller than the sum of its proper divisors (1528726904).

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

1122001120 is an equidigital number, since it uses as much as digits as its factorization.

1122001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012522 (or 7012514 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122001120 is about 33496.2851671644. The cubic root of 1122001120 is about 1039.1169526004.

Adding to 1122001120 its reverse (211002211), we get a palindrome (1333003331).

The spelling of 1122001120 in words is "one billion, one hundred twenty-two million, one thousand, one hundred twenty".