1281093 has 8 divisors (see below), whose sum is σ = 1863456. Its totient is φ = 776400.

The previous prime is 1281089. The next prime is 1281097. The reversal of 1281093 is 3901821.

It is an interprime number because it is at equal distance from previous prime (1281089) and next prime (1281097).

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

It is not a de Polignac number, because 1281093 - 2² = 1281089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1281097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19378 + ... + 19443.

It is an arithmetic number, because the mean of its divisors is an integer number (232932).

2^1281093 is an apocalyptic number.

It is an amenable number.

1281093 is a deficient number, since it is larger than the sum of its proper divisors (582363).

1281093 is a wasteful number, since it uses less digits than its factorization.

1281093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38835.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1281093 is about 1131.8537891442. The cubic root of 1281093 is about 108.6076006469.

It can be divided in two parts, 128 and 1093, that added together give a palindrome (1221).

The spelling of 1281093 in words is "one million, two hundred eighty-one thousand, ninety-three".