130203120 has 80 divisors (see below), whose sum is σ = 407286432. Its totient is φ = 34406400.

The previous prime is 130203089. The next prime is 130203121. The reversal of 130203120 is 21302031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 130203096 and 130203105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130203121) 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, 24720 + ... + 29520.

Almost surely, 2^130203120 is an apocalyptic number.

130203120 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 130203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203643216).

130203120 is an abundant number, since it is smaller than the sum of its proper divisors (277083312).

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

130203120 is a wasteful number, since it uses less digits than its factorization.

130203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130203120 is about 11410.6581755830. The cubic root of 130203120 is about 506.8434017176.

Adding to 130203120 its reverse (21302031), we get a palindrome (151505151).

The spelling of 130203120 in words is "one hundred thirty million, two hundred three thousand, one hundred twenty".