1120020113 has 4 divisors (see below), whose sum is σ = 1178968560. Its totient is φ = 1061071668.

The previous prime is 1120020091. The next prime is 1120020127. The reversal of 1120020113 is 3110200211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120020113 - 2²⁰ = 1118971537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120020094 and 1120020103.

It is not an unprimeable number, because it can be changed into a prime (1120020193) 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 3 ways as a sum of consecutive naturals, for example, 29474195 + ... + 29474232.

It is an arithmetic number, because the mean of its divisors is an integer number (294742140).

Almost surely, 2^1120020113 is an apocalyptic number.

It is an amenable number.

1120020113 is a deficient number, since it is larger than the sum of its proper divisors (58948447).

1120020113 is an equidigital number, since it uses as much as digits as its factorization.

1120020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58948446.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1120020113 is about 33466.7015554267. The cubic root of 1120020113 is about 1038.5050367993.

Adding to 1120020113 its reverse (3110200211), we get a palindrome (4230220324).

It can be divided in two parts, 11200 and 20113, that added together give a palindrome (31313).

The spelling of 1120020113 in words is "one billion, one hundred twenty million, twenty thousand, one hundred thirteen".