1116020639 has 2 divisors, whose sum is σ = 1116020640. Its totient is φ = 1116020638.

The previous prime is 1116020627. The next prime is 1116020693. The reversal of 1116020639 is 9360206111.

Together with next prime (1116020693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (9360206111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116020639 - 2⁴ = 1116020623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116020699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558010319 + 558010320.

It is an arithmetic number, because the mean of its divisors is an integer number (558010320).

Almost surely, 2^1116020639 is an apocalyptic number.

1116020639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116020639 is an equidigital number, since it uses as much as digits as its factorization.

1116020639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1116020639 is about 33406.8950817043. The cubic root of 1116020639 is about 1037.2674317631.

The spelling of 1116020639 in words is "one billion, one hundred sixteen million, twenty thousand, six hundred thirty-nine".