1282161 has 8 divisors (see below), whose sum is σ = 1755904. Its totient is φ = 831600.

The previous prime is 1282153. The next prime is 1282163. The reversal of 1282161 is 1612821.

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

It is not a de Polignac number, because 1282161 - 2³ = 1282153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1282163) 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, 5665 + ... + 5886.

It is an arithmetic number, because the mean of its divisors is an integer number (219488).

2^1282161 is an apocalyptic number.

It is an amenable number.

1282161 is a deficient number, since it is larger than the sum of its proper divisors (473743).

1282161 is a wasteful number, since it uses less digits than its factorization.

1282161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591.

The product of its digits is 192, while the sum is 21.

The square root of 1282161 is about 1132.3254832423. The cubic root of 1282161 is about 108.6377729814.

Adding to 1282161 its reverse (1612821), we get a palindrome (2894982).

The spelling of 1282161 in words is "one million, two hundred eighty-two thousand, one hundred sixty-one".