120009989249 has 2 divisors, whose sum is σ = 120009989250. Its totient is φ = 120009989248.

The previous prime is 120009989243. The next prime is 120009989257. The reversal of 120009989249 is 942989900021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95496450625 + 24513538624 = 309025^2 + 156568^2 .

It is a cyclic number.

It is not a de Polignac number, because 120009989249 - 2⁸ = 120009988993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120009989249.

It is not a weakly prime, because it can be changed into another prime (120009989243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60004994624 + 60004994625.

It is an arithmetic number, because the mean of its divisors is an integer number (60004994625).

Almost surely, 2^120009989249 is an apocalyptic number.

It is an amenable number.

120009989249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120009989249 is an equidigital number, since it uses as much as digits as its factorization.

120009989249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 120009989249 in words is "one hundred twenty billion, nine million, nine hundred eighty-nine thousand, two hundred forty-nine".