120608281 has 2 divisors, whose sum is σ = 120608282. Its totient is φ = 120608280.

The previous prime is 120608269. The next prime is 120608309. The reversal of 120608281 is 182806021.

It is an a-pointer prime, because the next prime (120608309) can be obtained adding 120608281 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118810000 + 1798281 = 10900^2 + 1341^2 .

It is an emirp because it is prime and its reverse (182806021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120608281 - 2¹⁵ = 120575513 is a prime.

It is a super-2 number, since 2×120608281² = 29092714891549922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120608221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60304140 + 60304141.

It is an arithmetic number, because the mean of its divisors is an integer number (60304141).

Almost surely, 2^120608281 is an apocalyptic number.

It is an amenable number.

120608281 is a deficient number, since it is larger than the sum of its proper divisors (1).

120608281 is an equidigital number, since it uses as much as digits as its factorization.

120608281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 120608281 is about 10982.1801569634. The cubic root of 120608281 is about 494.0744272569.

The spelling of 120608281 in words is "one hundred twenty million, six hundred eight thousand, two hundred eighty-one".