1094043881 has 4 divisors (see below), whose sum is σ = 1250335872. Its totient is φ = 937751892.

The previous prime is 1094043827. The next prime is 1094043901. The reversal of 1094043881 is 1883404901.

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 not a de Polignac number, because 1094043881 - 2¹⁸ = 1093781737 is a prime.

It is a super-2 number, since 2×1094043881² = 2393864027107084322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094042881) 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, 78145985 + ... + 78145998.

It is an arithmetic number, because the mean of its divisors is an integer number (312583968).

Almost surely, 2^1094043881 is an apocalyptic number.

It is an amenable number.

1094043881 is a deficient number, since it is larger than the sum of its proper divisors (156291991).

1094043881 is an equidigital number, since it uses as much as digits as its factorization.

1094043881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156291990.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1094043881 is about 33076.3341529862. The cubic root of 1094043881 is about 1030.4135961129.

The spelling of 1094043881 in words is "one billion, ninety-four million, forty-three thousand, eight hundred eighty-one".