1120120002 has 40 divisors (see below), whose sum is σ = 2538132300. Its totient is φ = 369173376.

The previous prime is 1120119989. The next prime is 1120120007. The reversal of 1120120002 is 2000210211.

It can be written as a sum of positive squares in 2 ways, for example, as 1115493201 + 4626801 = 33399^2 + 2151^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1120120007) 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 19 ways as a sum of consecutive naturals, for example, 24427 + ... + 53262.

Almost surely, 2^1120120002 is an apocalyptic number.

1120120002 is an abundant number, since it is smaller than the sum of its proper divisors (1418012298).

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

1120120002 is an equidigital number, since it uses as much as digits as its factorization.

1120120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77792 (or 77783 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120120002 is about 33468.1938861361. The cubic root of 1120120002 is about 1038.5359089074.

Adding to 1120120002 its reverse (2000210211), we get a palindrome (3120330213).

The spelling of 1120120002 in words is "one billion, one hundred twenty million, one hundred twenty thousand, two".