1120343513 has 4 divisors (see below), whose sum is σ = 1124302608. Its totient is φ = 1116384420.

The previous prime is 1120343509. The next prime is 1120343519. The reversal of 1120343513 is 3153430211.

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 1120343513 - 2² = 1120343509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120343519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979123 + ... + 1979688.

It is an arithmetic number, because the mean of its divisors is an integer number (281075652).

Almost surely, 2^1120343513 is an apocalyptic number.

It is an amenable number.

1120343513 is a deficient number, since it is larger than the sum of its proper divisors (3959095).

1120343513 is an equidigital number, since it uses as much as digits as its factorization.

1120343513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959094.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1120343513 is about 33471.5328749671. The cubic root of 1120343513 is about 1038.6049814952.

Adding to 1120343513 its reverse (3153430211), we get a palindrome (4273773724).

The spelling of 1120343513 in words is "one billion, one hundred twenty million, three hundred forty-three thousand, five hundred thirteen".