1282155 has 16 divisors (see below), whose sum is σ = 2344704. Its totient is φ = 586080.

The previous prime is 1282153. The next prime is 1282163. The reversal of 1282155 is 5512821.

It is not a de Polignac number, because 1282155 - 2¹ = 1282153 is a prime.

1282155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1282153) 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, 6001 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (146544).

2^1282155 is an apocalyptic number.

1282155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1282155 is a deficient number, since it is larger than the sum of its proper divisors (1062549).

1282155 is a wasteful number, since it uses less digits than its factorization.

1282155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226.

The product of its digits is 800, while the sum is 24.

The square root of 1282155 is about 1132.3228338243. The cubic root of 1282155 is about 108.6376035207.

Adding to 1282155 its reverse (5512821), we get a palindrome (6794976).

The spelling of 1282155 in words is "one million, two hundred eighty-two thousand, one hundred fifty-five".