1282455 has 12 divisors (see below), whose sum is σ = 2223000. Its totient is φ = 683952.

The previous prime is 1282451. The next prime is 1282469. The reversal of 1282455 is 5542821.

It is a happy number.

It is not a de Polignac number, because 1282455 - 2² = 1282451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14205 + ... + 14294.

It is an arithmetic number, because the mean of its divisors is an integer number (185250).

2^1282455 is an apocalyptic number.

1282455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1282455 is a deficient number, since it is larger than the sum of its proper divisors (940545).

1282455 is a wasteful number, since it uses less digits than its factorization.

1282455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28510 (or 28507 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1282455 is about 1132.4552971310. The cubic root of 1282455 is about 108.6460759076.

The spelling of 1282455 in words is "one million, two hundred eighty-two thousand, four hundred fifty-five".