1281201 has 4 divisors (see below), whose sum is σ = 1708272. Its totient is φ = 854132.

The previous prime is 1281193. The next prime is 1281211. The reversal of 1281201 is 1021821.

1281201 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1281201 - 2³ = 1281193 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1281211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213531 + ... + 213536.

It is an arithmetic number, because the mean of its divisors is an integer number (427068).

2^1281201 is an apocalyptic number.

It is an amenable number.

1281201 is a deficient number, since it is larger than the sum of its proper divisors (427071).

1281201 is an equidigital number, since it uses as much as digits as its factorization.

1281201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427070.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1281201 is about 1131.9014974811. The cubic root of 1281201 is about 108.6106525438.

The spelling of 1281201 in words is "one million, two hundred eighty-one thousand, two hundred one".