1121596439 has 2 divisors, whose sum is σ = 1121596440. Its totient is φ = 1121596438.

The previous prime is 1121596433. The next prime is 1121596459. The reversal of 1121596439 is 9346951211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121596439 - 2¹⁶ = 1121530903 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121596396 and 1121596405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121596433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560798219 + 560798220.

It is an arithmetic number, because the mean of its divisors is an integer number (560798220).

Almost surely, 2^1121596439 is an apocalyptic number.

1121596439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121596439 is an equidigital number, since it uses as much as digits as its factorization.

1121596439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 1121596439 is about 33490.2439376007. The cubic root of 1121596439 is about 1038.9920087400.

The spelling of 1121596439 in words is "one billion, one hundred twenty-one million, five hundred ninety-six thousand, four hundred thirty-nine".