1120391093 has 4 divisors (see below), whose sum is σ = 1127527500. Its totient is φ = 1113254688.

The previous prime is 1120391039. The next prime is 1120391099. The reversal of 1120391093 is 3901930211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3901930211 = 1093 ⋅3569927.

It can be written as a sum of positive squares in 2 ways, for example, as 170641969 + 949749124 = 13063^2 + 30818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120391093 - 2¹² = 1120386997 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 (1120391099) 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, 3567968 + ... + 3568281.

It is an arithmetic number, because the mean of its divisors is an integer number (281881875).

Almost surely, 2^1120391093 is an apocalyptic number.

It is an amenable number.

1120391093 is a deficient number, since it is larger than the sum of its proper divisors (7136407).

1120391093 is an equidigital number, since it uses as much as digits as its factorization.

1120391093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136406.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1120391093 is about 33472.2436206478. The cubic root of 1120391093 is about 1038.6196841660.

The spelling of 1120391093 in words is "one billion, one hundred twenty million, three hundred ninety-one thousand, ninety-three".