1281038 has 8 divisors (see below), whose sum is σ = 2096280. Its totient is φ = 582280.

The previous prime is 1281029. The next prime is 1281041. The reversal of 1281038 is 8301821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29093 + ... + 29136.

It is an arithmetic number, because the mean of its divisors is an integer number (262035).

2^1281038 is an apocalyptic number.

1281038 is a deficient number, since it is larger than the sum of its proper divisors (815242).

1281038 is a wasteful number, since it uses less digits than its factorization.

1281038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58242.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1281038 is about 1131.8294924590. The cubic root of 1281038 is about 108.6060463743.

Adding to 1281038 its reverse (8301821), we get a palindrome (9582859).

The spelling of 1281038 in words is "one million, two hundred eighty-one thousand, thirty-eight".