130621124 has 12 divisors (see below), whose sum is σ = 240618000. Its totient is φ = 61873128.

The previous prime is 130621109. The next prime is 130621129. The reversal of 130621124 is 421126031.

It is a junction number, because it is equal to n+sod(n) for n = 130621096 and 130621105.

It is not an unprimeable number, because it can be changed into a prime (130621129) 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, 859274 + ... + 859425.

It is an arithmetic number, because the mean of its divisors is an integer number (20051500).

Almost surely, 2^130621124 is an apocalyptic number.

It is an amenable number.

130621124 is a deficient number, since it is larger than the sum of its proper divisors (109996876).

130621124 is a wasteful number, since it uses less digits than its factorization.

130621124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718722 (or 1718720 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 130621124 is about 11428.9598826840. The cubic root of 130621124 is about 507.3852122151.

Adding to 130621124 its reverse (421126031), we get a palindrome (551747155).

The spelling of 130621124 in words is "one hundred thirty million, six hundred twenty-one thousand, one hundred twenty-four".