1281848 has 8 divisors (see below), whose sum is σ = 2403480. Its totient is φ = 640920.

The previous prime is 1281827. The next prime is 1281853. The reversal of 1281848 is 8481821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 80108 + ... + 80123.

It is an arithmetic number, because the mean of its divisors is an integer number (300435).

2^1281848 is an apocalyptic number.

It is an amenable number.

1281848 is a deficient number, since it is larger than the sum of its proper divisors (1121632).

1281848 is a wasteful number, since it uses less digits than its factorization.

1281848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160237 (or 160233 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The square root of 1281848 is about 1132.1872636627. The cubic root of 1281848 is about 108.6289320765.

The spelling of 1281848 in words is "one million, two hundred eighty-one thousand, eight hundred forty-eight".