1094488021 has 8 divisors (see below), whose sum is σ = 1196712000. Its totient is φ = 992718240.

The previous prime is 1094488019. The next prime is 1094488061. The reversal of 1094488021 is 1208844901.

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

It is a cyclic number.

It is not a de Polignac number, because 1094488021 - 2¹ = 1094488019 is a prime.

It is a super-2 number, since 2×1094488021² = 2395808056224992882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094488061) 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, 108496 + ... + 118153.

It is an arithmetic number, because the mean of its divisors is an integer number (149589000).

Almost surely, 2^1094488021 is an apocalyptic number.

1094488021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1094488021 is a deficient number, since it is larger than the sum of its proper divisors (102223979).

1094488021 is a wasteful number, since it uses less digits than its factorization.

1094488021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227099.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1094488021 is about 33083.0473354557. The cubic root of 1094488021 is about 1030.5530134273.

It can be divided in two parts, 10944880 and 21, that added together give a palindrome (10944901).

The spelling of 1094488021 in words is "one billion, ninety-four million, four hundred eighty-eight thousand, twenty-one".