1120212169 has 2 divisors, whose sum is σ = 1120212170. Its totient is φ = 1120212168.

The previous prime is 1120212167. The next prime is 1120212257. The reversal of 1120212169 is 9612120211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562638400 + 557573769 = 23720^2 + 23613^2 .

It is an emirp because it is prime and its reverse (9612120211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120212169 - 2¹ = 1120212167 is a prime.

It is a super-2 number, since 2×1120212169² = 2509750607151369122, which contains 22 as substring.

Together with 1120212167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1120212167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560106084 + 560106085.

It is an arithmetic number, because the mean of its divisors is an integer number (560106085).

Almost surely, 2^1120212169 is an apocalyptic number.

It is an amenable number.

1120212169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120212169 is an equidigital number, since it uses as much as digits as its factorization.

1120212169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1120212169 is about 33469.5707919896. The cubic root of 1120212169 is about 1038.5643927941.

The spelling of 1120212169 in words is "one billion, one hundred twenty million, two hundred twelve thousand, one hundred sixty-nine".