1088921271 has 4 divisors (see below), whose sum is σ = 1451895032. Its totient is φ = 725947512.

The previous prime is 1088921257. The next prime is 1088921297. The reversal of 1088921271 is 1721298801.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1088921271 - 2¹⁸ = 1088659127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088921201) 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, 181486876 + ... + 181486881.

It is an arithmetic number, because the mean of its divisors is an integer number (362973758).

Almost surely, 2^1088921271 is an apocalyptic number.

1088921271 is a deficient number, since it is larger than the sum of its proper divisors (362973761).

1088921271 is an equidigital number, since it uses as much as digits as its factorization.

1088921271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362973760.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 1088921271 is about 32998.8071148034. The cubic root of 1088921271 is about 1028.8028542614.

The spelling of 1088921271 in words is "one billion, eighty-eight million, nine hundred twenty-one thousand, two hundred seventy-one".