1029980161 has 8 divisors (see below), whose sum is σ = 1204495424. Its totient is φ = 862308720.

The previous prime is 1029980143. The next prime is 1029980167. The reversal of 1029980161 is 1610899201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1029980161 - 2⁹ = 1029979649 is a prime.

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 1029980161.

It is not an unprimeable number, because it can be changed into a prime (1029980167) 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, 1710630 + ... + 1711231.

It is an arithmetic number, because the mean of its divisors is an integer number (150561928).

Almost surely, 2^1029980161 is an apocalyptic number.

It is an amenable number.

1029980161 is a deficient number, since it is larger than the sum of its proper divisors (174515263).

1029980161 is an equidigital number, since it uses as much as digits as its factorization.

1029980161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421911.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 1029980161 is about 32093.3039900849. The cubic root of 1029980161 is about 1009.8951500476.

The spelling of 1029980161 in words is "one billion, twenty-nine million, nine hundred eighty thousand, one hundred sixty-one".