130621116 has 24 divisors (see below), whose sum is σ = 305136720. Its totient is φ = 43489792.

The previous prime is 130621109. The next prime is 130621129. The reversal of 130621116 is 611126031.

It is a junction number, because it is equal to n+sod(n) for n = 130621092 and 130621101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (12714030).

Almost surely, 2^130621116 is an apocalyptic number.

It is an amenable number.

130621116 is an abundant number, since it is smaller than the sum of its proper divisors (174515604).

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

130621116 is a wasteful number, since it uses less digits than its factorization.

130621116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12653 (or 12651 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 130621116 is about 11428.9595326959. The cubic root of 130621116 is about 507.3852018566.

Adding to 130621116 its reverse (611126031), we get a palindrome (741747147).

It can be divided in two parts, 1306 and 21116, that added together give a palindrome (22422).

The spelling of 130621116 in words is "one hundred thirty million, six hundred twenty-one thousand, one hundred sixteen".