1121216039 has 2 divisors, whose sum is σ = 1121216040. Its totient is φ = 1121216038.

The previous prime is 1121216021. The next prime is 1121216081. The reversal of 1121216039 is 9306121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121216039 - 2²⁴ = 1104438823 is a prime.

It is a super-2 number, since 2×1121216039² = 2514250812221699042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121215999 and 1121216017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121216639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560608019 + 560608020.

It is an arithmetic number, because the mean of its divisors is an integer number (560608020).

Almost surely, 2^1121216039 is an apocalyptic number.

1121216039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121216039 is an equidigital number, since it uses as much as digits as its factorization.

1121216039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1121216039 is about 33484.5641900862. The cubic root of 1121216039 is about 1038.8745341484.

The spelling of 1121216039 in words is "one billion, one hundred twenty-one million, two hundred sixteen thousand, thirty-nine".