130282921 has 2 divisors, whose sum is σ = 130282922. Its totient is φ = 130282920.

The previous prime is 130282903. The next prime is 130282927. The reversal of 130282921 is 129282031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70375321 + 59907600 = 8389^2 + 7740^2 .

It is a cyclic number.

It is not a de Polignac number, because 130282921 - 2⁷ = 130282793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130282921.

It is not a weakly prime, because it can be changed into another prime (130282927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65141460 + 65141461.

It is an arithmetic number, because the mean of its divisors is an integer number (65141461).

Almost surely, 2^130282921 is an apocalyptic number.

It is an amenable number.

130282921 is a deficient number, since it is larger than the sum of its proper divisors (1).

130282921 is an equidigital number, since it uses as much as digits as its factorization.

130282921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 130282921 is about 11414.1544145854. The cubic root of 130282921 is about 506.9469280384.

The spelling of 130282921 in words is "one hundred thirty million, two hundred eighty-two thousand, nine hundred twenty-one".