1281048 has 16 divisors (see below), whose sum is σ = 3202680. Its totient is φ = 427008.

The previous prime is 1281047. The next prime is 1281083. The reversal of 1281048 is 8401821.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 53377 = 1281048 / (1 + 2 + 8 + 1 + 0 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1281041) 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, 26665 + ... + 26712.

2^1281048 is an apocalyptic number.

It is an amenable number.

1281048 is an abundant number, since it is smaller than the sum of its proper divisors (1921632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1281048 is a wasteful number, since it uses less digits than its factorization.

1281048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53386 (or 53382 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1281048 is about 1131.8339100769. The cubic root of 1281048 is about 108.6063289726.

Adding to 1281048 its reverse (8401821), we get a palindrome (9682869).

It can be divided in two parts, 128 and 1048, that added together give a triangular number (1176 = T₄₈).

The spelling of 1281048 in words is "one million, two hundred eighty-one thousand, forty-eight".