1120191139 has 2 divisors, whose sum is σ = 1120191140. Its totient is φ = 1120191138.

The previous prime is 1120191109. The next prime is 1120191143. The reversal of 1120191139 is 9311910211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120191139 - 2¹⁹ = 1119666851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120191109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560095569 + 560095570.

It is an arithmetic number, because the mean of its divisors is an integer number (560095570).

Almost surely, 2^1120191139 is an apocalyptic number.

1120191139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120191139 is an equidigital number, since it uses as much as digits as its factorization.

1120191139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1120191139 is about 33469.2566245502. The cubic root of 1120191139 is about 1038.5578936843.

The spelling of 1120191139 in words is "one billion, one hundred twenty million, one hundred ninety-one thousand, one hundred thirty-nine".