1061970817 has 4 divisors (see below), whose sum is σ = 1062263620. Its totient is φ = 1061678016.

The previous prime is 1061970809. The next prime is 1061970821. The reversal of 1061970817 is 7180791601.

1061970817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181602576 + 880368241 = 13476^2 + 29671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061970817 - 2³ = 1061970809 is a prime.

It is a super-2 number, since 2×1061970817² = 2255564032319294978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061970817.

It is not an unprimeable number, because it can be changed into a prime (1061970017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140892 + ... + 148237.

It is an arithmetic number, because the mean of its divisors is an integer number (265565905).

Almost surely, 2^1061970817 is an apocalyptic number.

It is an amenable number.

1061970817 is a deficient number, since it is larger than the sum of its proper divisors (292803).

1061970817 is an equidigital number, since it uses as much as digits as its factorization.

1061970817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292802.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 1061970817 is about 32587.8937183734. The cubic root of 1061970817 is about 1020.2443400926.

The spelling of 1061970817 in words is "one billion, sixty-one million, nine hundred seventy thousand, eight hundred seventeen".