130021161 has 16 divisors (see below), whose sum is σ = 188375040. Its totient is φ = 79468560.

The previous prime is 130021153. The next prime is 130021259. The reversal of 130021161 is 161120031.

It is not a de Polignac number, because 130021161 - 2³ = 130021153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130021161.

It is not an unprimeable number, because it can be changed into a prime (130021361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35025 + ... + 38558.

It is an arithmetic number, because the mean of its divisors is an integer number (11773440).

Almost surely, 2^130021161 is an apocalyptic number.

It is an amenable number.

130021161 is a deficient number, since it is larger than the sum of its proper divisors (58353879).

130021161 is a wasteful number, since it uses less digits than its factorization.

130021161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73636.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 130021161 is about 11402.6821844687. The cubic root of 130021161 is about 506.6071869139.

Adding to 130021161 its reverse (161120031), we get a palindrome (291141192).

The spelling of 130021161 in words is "one hundred thirty million, twenty-one thousand, one hundred sixty-one".