129130002525 has 12 divisors (see below), whose sum is σ = 213494937632. Its totient is φ = 68869334640.

The previous prime is 129130002523. The next prime is 129130002527. The reversal of 129130002525 is 525200031921.

It is an interprime number because it is at equal distance from previous prime (129130002523) and next prime (129130002527).

It is not a de Polignac number, because 129130002525 - 2¹ = 129130002523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129130002492 and 129130002501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129130002523) 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, 860866609 + ... + 860866758.

Almost surely, 2^129130002525 is an apocalyptic number.

129130002525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129130002525 is a deficient number, since it is larger than the sum of its proper divisors (84364935107).

129130002525 is a wasteful number, since it uses less digits than its factorization.

129130002525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721733380 (or 1721733375 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 129130002525 in words is "one hundred twenty-nine billion, one hundred thirty million, two thousand, five hundred twenty-five".