130405120 has 36 divisors (see below), whose sum is σ = 312364080. Its totient is φ = 52161536.

The previous prime is 130405117. The next prime is 130405159. The reversal of 130405120 is 21504031.

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 = 130405094 and 130405103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49660 + ... + 52219.

It is an arithmetic number, because the mean of its divisors is an integer number (8676780).

Almost surely, 2^130405120 is an apocalyptic number.

130405120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130405120 is an abundant number, since it is smaller than the sum of its proper divisors (181958960).

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

130405120 is an equidigital number, since it uses as much as digits as its factorization.

130405120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101900 (or 101886 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 130405120 is about 11419.5061189178. The cubic root of 130405120 is about 507.1053756412.

Adding to 130405120 its reverse (21504031), we get a palindrome (151909151).

The spelling of 130405120 in words is "one hundred thirty million, four hundred five thousand, one hundred twenty".