1204560281 has 2 divisors, whose sum is σ = 1204560282. Its totient is φ = 1204560280.

The previous prime is 1204560263. The next prime is 1204560283. The reversal of 1204560281 is 1820654021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832841881 + 371718400 = 28859^2 + 19280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204560281 - 2²² = 1200365977 is a prime.

It is a super-2 number, since 2×1204560281² = 2901930941125597922, which contains 22 as substring.

Together with 1204560283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1204560283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602280140 + 602280141.

It is an arithmetic number, because the mean of its divisors is an integer number (602280141).

Almost surely, 2^1204560281 is an apocalyptic number.

It is an amenable number.

1204560281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204560281 is an equidigital number, since it uses as much as digits as its factorization.

1204560281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1204560281 is about 34706.7757217521. The cubic root of 1204560281 is about 1064.0029847208.

The spelling of 1204560281 in words is "one billion, two hundred four million, five hundred sixty thousand, two hundred eighty-one".