130021224 has 16 divisors (see below), whose sum is σ = 325053120. Its totient is φ = 43340400.

The previous prime is 130021153. The next prime is 130021259. The reversal of 130021224 is 422120031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708752 + ... + 2708799.

It is an arithmetic number, because the mean of its divisors is an integer number (20315820).

Almost surely, 2^130021224 is an apocalyptic number.

It is an amenable number.

130021224 is an abundant number, since it is smaller than the sum of its proper divisors (195031896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130021224 is a wasteful number, since it uses less digits than its factorization.

130021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417560 (or 5417556 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130021224 is about 11402.6849469763. The cubic root of 130021224 is about 506.6072687371.

Adding to 130021224 its reverse (422120031), we get a palindrome (552141255).

The spelling of 130021224 in words is "one hundred thirty million, twenty-one thousand, two hundred twenty-four".