1063079621 has 16 divisors (see below), whose sum is σ = 1158627840. Its totient is φ = 971688960.

The previous prime is 1063079609. The next prime is 1063079623. The reversal of 1063079621 is 1269703601.

It is a cyclic number.

It is not a de Polignac number, because 1063079621 - 2⁶ = 1063079557 is a prime.

It is a super-2 number, since 2×1063079621² = 2260276561171007282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063079623) 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 15 ways as a sum of consecutive naturals, for example, 205361 + ... + 210473.

It is an arithmetic number, because the mean of its divisors is an integer number (72414240).

Almost surely, 2^1063079621 is an apocalyptic number.

It is an amenable number.

1063079621 is a deficient number, since it is larger than the sum of its proper divisors (95548219).

1063079621 is a wasteful number, since it uses less digits than its factorization.

1063079621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1063079621 is about 32604.9017940554. The cubic root of 1063079621 is about 1020.5992957098.

The spelling of 1063079621 in words is "one billion, sixty-three million, seventy-nine thousand, six hundred twenty-one".