130221124 has 24 divisors (see below), whose sum is σ = 259414848. Its totient is φ = 56617440.

The previous prime is 130221121. The next prime is 130221187. The reversal of 130221124 is 421122031.

It is a super-2 number, since 2×130221124² = 33915082271646752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130221098 and 130221107.

It is not an unprimeable number, because it can be changed into a prime (130221121) 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, 63327 + ... + 65350.

It is an arithmetic number, because the mean of its divisors is an integer number (10808952).

Almost surely, 2^130221124 is an apocalyptic number.

It is an amenable number.

130221124 is a deficient number, since it is larger than the sum of its proper divisors (129193724).

130221124 is a wasteful number, since it uses less digits than its factorization.

130221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128715 (or 128713 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 130221124 is about 11411.4470598606. The cubic root of 130221124 is about 506.8667621103.

Adding to 130221124 its reverse (421122031), we get a palindrome (551343155).

The spelling of 130221124 in words is "one hundred thirty million, two hundred twenty-one thousand, one hundred twenty-four".