130220487 has 16 divisors (see below), whose sum is σ = 194220000. Its totient is φ = 86228352.

The previous prime is 130220449. The next prime is 130220513. The reversal of 130220487 is 784022031.

It is not a de Polignac number, because 130220487 - 2⁶ = 130220423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 130220487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220407) 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 15 ways as a sum of consecutive naturals, for example, 12162 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (12138750).

Almost surely, 2^130220487 is an apocalyptic number.

130220487 is a deficient number, since it is larger than the sum of its proper divisors (63999513).

130220487 is a wasteful number, since it uses less digits than its factorization.

130220487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32527 (or 32521 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 130220487 is about 11411.4191492557. The cubic root of 130220487 is about 506.8659356324.

The spelling of 130220487 in words is "one hundred thirty million, two hundred twenty thousand, four hundred eighty-seven".