120201281 has 2 divisors, whose sum is σ = 120201282. Its totient is φ = 120201280.

The previous prime is 120201251. The next prime is 120201329. The reversal of 120201281 is 182102021.

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., 72522256 + 47679025 = 8516^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 120201281 - 2²² = 116006977 is a prime.

It is a super-2 number, since 2×120201281² = 28896695908081922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120201251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100640 + 60100641.

It is an arithmetic number, because the mean of its divisors is an integer number (60100641).

Almost surely, 2^120201281 is an apocalyptic number.

It is an amenable number.

120201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201281 is an equidigital number, since it uses as much as digits as its factorization.

120201281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 120201281 is about 10963.6344794963. The cubic root of 120201281 is about 493.5180395027.

The spelling of 120201281 in words is "one hundred twenty million, two hundred one thousand, two hundred eighty-one".