130521055 has 12 divisors (see below), whose sum is σ = 182197080. Its totient is φ = 89499984.

The previous prime is 130521047. The next prime is 130521059. The reversal of 130521055 is 550125031.

It is not a de Polignac number, because 130521055 - 2³ = 130521047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130521059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266125 + ... + 266614.

It is an arithmetic number, because the mean of its divisors is an integer number (15183090).

Almost surely, 2^130521055 is an apocalyptic number.

130521055 is a deficient number, since it is larger than the sum of its proper divisors (51676025).

130521055 is an equidigital number, since it uses as much as digits as its factorization.

130521055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532758 (or 532751 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 130521055 is about 11424.5811739424. The cubic root of 130521055 is about 507.2556096397.

Adding to 130521055 its reverse (550125031), we get a palindrome (680646086).

The spelling of 130521055 in words is "one hundred thirty million, five hundred twenty-one thousand, fifty-five".