1094660021 has 8 divisors (see below), whose sum is σ = 1347273984. Its totient is φ = 866104560.

The previous prime is 1094660011. The next prime is 1094660023. The reversal of 1094660021 is 1200664901.

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 1094660021 - 2³⁰ = 20918197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094660023) 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, 6014525 + ... + 6014706.

It is an arithmetic number, because the mean of its divisors is an integer number (168409248).

Almost surely, 2^1094660021 is an apocalyptic number.

It is an amenable number.

1094660021 is a deficient number, since it is larger than the sum of its proper divisors (252613963).

1094660021 is a wasteful number, since it uses less digits than its factorization.

1094660021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029251.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1094660021 is about 33085.6467520283. The cubic root of 1094660021 is about 1030.6069947807.

The spelling of 1094660021 in words is "one billion, ninety-four million, six hundred sixty thousand, twenty-one".