1120253309 has 4 divisors (see below), whose sum is σ = 1280289504. Its totient is φ = 960217116.

The previous prime is 1120253297. The next prime is 1120253327. The reversal of 1120253309 is 9033520211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9033520211 = 293 ⋅30831127.

It is a cyclic number.

It is not a de Polignac number, because 1120253309 - 2¹² = 1120249213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120253359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80018087 + ... + 80018100.

It is an arithmetic number, because the mean of its divisors is an integer number (320072376).

Almost surely, 2^1120253309 is an apocalyptic number.

It is an amenable number.

1120253309 is a deficient number, since it is larger than the sum of its proper divisors (160036195).

1120253309 is an equidigital number, since it uses as much as digits as its factorization.

1120253309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160036194.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1120253309 is about 33470.1853744493. The cubic root of 1120253309 is about 1038.5771064619.

The spelling of 1120253309 in words is "one billion, one hundred twenty million, two hundred fifty-three thousand, three hundred nine".