1280297201 has 8 divisors (see below), whose sum is σ = 1314053664. Its totient is φ = 1246661280.

The previous prime is 1280297173. The next prime is 1280297237. The reversal of 1280297201 is 1027920821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1280297201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280297801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8411 + ... + 51296.

It is an arithmetic number, because the mean of its divisors is an integer number (164256708).

Almost surely, 2^1280297201 is an apocalyptic number.

It is an amenable number.

1280297201 is a deficient number, since it is larger than the sum of its proper divisors (33756463).

1280297201 is an equidigital number, since it uses as much as digits as its factorization.

1280297201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60271.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1280297201 is about 35781.2409091692. The cubic root of 1280297201 is about 1085.8510742630.

The spelling of 1280297201 in words is "one billion, two hundred eighty million, two hundred ninety-seven thousand, two hundred one".