1120234391 has 2 divisors, whose sum is σ = 1120234392. Its totient is φ = 1120234390.

The previous prime is 1120234387. The next prime is 1120234403. The reversal of 1120234391 is 1934320211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1934320211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120234391 - 2² = 1120234387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120234391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120234351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560117195 + 560117196.

It is an arithmetic number, because the mean of its divisors is an integer number (560117196).

Almost surely, 2^1120234391 is an apocalyptic number.

1120234391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120234391 is an equidigital number, since it uses as much as digits as its factorization.

1120234391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1120234391 is about 33469.9027635277. The cubic root of 1120234391 is about 1038.5712601912.

The spelling of 1120234391 in words is "one billion, one hundred twenty million, two hundred thirty-four thousand, three hundred ninety-one".