1088840273 has 4 divisors (see below), whose sum is σ = 1089376320. Its totient is φ = 1088304228.

The previous prime is 1088840267. The next prime is 1088840317. The reversal of 1088840273 is 3720488801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3720488801 = 5309 ⋅700789.

It is a cyclic number.

It is not a de Polignac number, because 1088840273 - 2⁴ = 1088840257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088840273.

It is not an unprimeable number, because it can be changed into a prime (1088842273) 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, 264965 + ... + 269042.

It is an arithmetic number, because the mean of its divisors is an integer number (272344080).

Almost surely, 2^1088840273 is an apocalyptic number.

It is an amenable number.

1088840273 is a deficient number, since it is larger than the sum of its proper divisors (536047).

1088840273 is an equidigital number, since it uses as much as digits as its factorization.

1088840273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536046.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1088840273 is about 32997.5798051918. The cubic root of 1088840273 is about 1028.7773449058. Note that the first 3 decimals are identical.

The spelling of 1088840273 in words is "one billion, eighty-eight million, eight hundred forty thousand, two hundred seventy-three".