281120793 has 4 divisors (see below), whose sum is σ = 374827728. Its totient is φ = 187413860.

The previous prime is 281120761. The next prime is 281120813. The reversal of 281120793 is 397021182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 281120793 - 2⁵ = 281120761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (281120093) 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, 46853463 + ... + 46853468.

It is an arithmetic number, because the mean of its divisors is an integer number (93706932).

Almost surely, 2^281120793 is an apocalyptic number.

It is an amenable number.

281120793 is a deficient number, since it is larger than the sum of its proper divisors (93706935).

281120793 is an equidigital number, since it uses as much as digits as its factorization.

281120793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93706934.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 281120793 is about 16766.6571802491. The cubic root of 281120793 is about 655.0850018854.

The spelling of 281120793 in words is "two hundred eighty-one million, one hundred twenty thousand, seven hundred ninety-three".