130102720 has 112 divisors (see below), whose sum is σ = 352885248. Its totient is φ = 45224960.

The previous prime is 130102711. The next prime is 130102723. The reversal of 130102720 is 27201031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 130102694 and 130102703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130102723) 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, 80157 + ... + 81763.

Almost surely, 2^130102720 is an apocalyptic number.

130102720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130102720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176442624).

130102720 is an abundant number, since it is smaller than the sum of its proper divisors (222782528).

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

130102720 is a wasteful number, since it uses less digits than its factorization.

130102720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 130102720 is about 11406.2579315041. The cubic root of 130102720 is about 506.7130920833.

Adding to 130102720 its reverse (27201031), we get a palindrome (157303751).

The spelling of 130102720 in words is "one hundred thirty million, one hundred two thousand, seven hundred twenty".