130442129 has 2 divisors, whose sum is σ = 130442130. Its totient is φ = 130442128.

The previous prime is 130442119. The next prime is 130442161. The reversal of 130442129 is 921244031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89737729 + 40704400 = 9473^2 + 6380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130442129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130442098 and 130442107.

It is not a weakly prime, because it can be changed into another prime (130442119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65221064 + 65221065.

It is an arithmetic number, because the mean of its divisors is an integer number (65221065).

Almost surely, 2^130442129 is an apocalyptic number.

It is an amenable number.

130442129 is a deficient number, since it is larger than the sum of its proper divisors (1).

130442129 is an equidigital number, since it uses as much as digits as its factorization.

130442129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130442129 is about 11421.1264330625. The cubic root of 130442129 is about 507.1533433072.

The spelling of 130442129 in words is "one hundred thirty million, four hundred forty-two thousand, one hundred twenty-nine".