130221276 has 24 divisors (see below), whose sum is σ = 304035984. Its totient is φ = 43380480.

The previous prime is 130221271. The next prime is 130221277. The reversal of 130221276 is 672122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32436 + ... + 36228.

It is an arithmetic number, because the mean of its divisors is an integer number (12668166).

Almost surely, 2^130221276 is an apocalyptic number.

It is an amenable number.

130221276 is an abundant number, since it is smaller than the sum of its proper divisors (173814708).

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

130221276 is a wasteful number, since it uses less digits than its factorization.

130221276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661 (or 6659 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 130221276 is about 11411.4537198378. The cubic root of 130221276 is about 506.8669593228.

It can be divided in two parts, 1302 and 21276, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 130221276 in words is "one hundred thirty million, two hundred twenty-one thousand, two hundred seventy-six".