1121054159 has 2 divisors, whose sum is σ = 1121054160. Its totient is φ = 1121054158.

The previous prime is 1121054141. The next prime is 1121054167. The reversal of 1121054159 is 9514501211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121054159 - 2¹⁶ = 1120988623 is a prime.

It is a super-2 number, since 2×1121054159² = 2513524854822394562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121057159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560527079 + 560527080.

It is an arithmetic number, because the mean of its divisors is an integer number (560527080).

Almost surely, 2^1121054159 is an apocalyptic number.

1121054159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121054159 is an equidigital number, since it uses as much as digits as its factorization.

1121054159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 1121054159 is about 33482.1468696379. The cubic root of 1121054159 is about 1038.8245345355.

The spelling of 1121054159 in words is "one billion, one hundred twenty-one million, fifty-four thousand, one hundred fifty-nine".