1281360201 has 16 divisors (see below), whose sum is σ = 1903454208. Its totient is φ = 760058000.

The previous prime is 1281360187. The next prime is 1281360211. The reversal of 1281360201 is 1020631821.

It is a cyclic number.

It is not a de Polignac number, because 1281360201 - 2⁶ = 1281360137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1281360211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411525 + ... + 414626.

It is an arithmetic number, because the mean of its divisors is an integer number (118965888).

Almost surely, 2^1281360201 is an apocalyptic number.

1281360201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1281360201 is a deficient number, since it is larger than the sum of its proper divisors (622094007).

1281360201 is a wasteful number, since it uses less digits than its factorization.

1281360201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826212.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1281360201 is about 35796.0919794326. The cubic root of 1281360201 is about 1086.1515098147.

The spelling of 1281360201 in words is "one billion, two hundred eighty-one million, three hundred sixty thousand, two hundred one".