1068475021 has 8 divisors (see below), whose sum is σ = 1073592000. Its totient is φ = 1063369440.

The previous prime is 1068474991. The next prime is 1068475027. The reversal of 1068475021 is 1205748601.

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 1068475021 - 2¹¹ = 1068472973 is a prime.

It is a super-2 number, since 2×1068475021² = 2283277741001900882, 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 (1068475027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227505 + ... + 232153.

It is an arithmetic number, because the mean of its divisors is an integer number (134199000).

Almost surely, 2^1068475021 is an apocalyptic number.

It is an amenable number.

1068475021 is a deficient number, since it is larger than the sum of its proper divisors (5116979).

1068475021 is an equidigital number, since it uses as much as digits as its factorization.

1068475021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1068475021 is about 32687.5361720641. The cubic root of 1068475021 is about 1022.3229834465.

The spelling of 1068475021 in words is "one billion, sixty-eight million, four hundred seventy-five thousand, twenty-one".