1069534021 has 8 divisors (see below), whose sum is σ = 1093279104. Its totient is φ = 1045830240.

The previous prime is 1069534019. The next prime is 1069534031. The reversal of 1069534021 is 1204359601.

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 1069534021 - 2¹ = 1069534019 is a prime.

It is a super-2 number, since 2×1069534021² = 2287806044152856882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069534031) 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, 45321 + ... + 64753.

It is an arithmetic number, because the mean of its divisors is an integer number (136659888).

Almost surely, 2^1069534021 is an apocalyptic number.

It is an amenable number.

1069534021 is a deficient number, since it is larger than the sum of its proper divisors (23745083).

1069534021 is a wasteful number, since it uses less digits than its factorization.

1069534021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1069534021 is about 32703.7309951021. The cubic root of 1069534021 is about 1022.6606243319.

The spelling of 1069534021 in words is "one billion, sixty-nine million, five hundred thirty-four thousand, twenty-one".