1120539391 has 2 divisors, whose sum is σ = 1120539392. Its totient is φ = 1120539390.

The previous prime is 1120539379. The next prime is 1120539401. The reversal of 1120539391 is 1939350211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120539391 - 2⁵ = 1120539359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120539341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560269695 + 560269696.

It is an arithmetic number, because the mean of its divisors is an integer number (560269696).

Almost surely, 2^1120539391 is an apocalyptic number.

1120539391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120539391 is an equidigital number, since it uses as much as digits as its factorization.

1120539391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1120539391 is about 33474.4587857668. The cubic root of 1120539391 is about 1038.6655069826.

The spelling of 1120539391 in words is "one billion, one hundred twenty million, five hundred thirty-nine thousand, three hundred ninety-one".