129006162025 has 24 divisors (see below), whose sum is σ = 172588023104. Its totient is φ = 95091796800.

The previous prime is 129006162013. The next prime is 129006162031. The reversal of 129006162025 is 520261600921.

It is a happy number.

It is not a de Polignac number, because 129006162025 - 2⁷ = 129006161897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185061 + ... + 540610.

Almost surely, 2^129006162025 is an apocalyptic number.

It is an amenable number.

129006162025 is a deficient number, since it is larger than the sum of its proper divisors (43581861079).

129006162025 is a wasteful number, since it uses less digits than its factorization.

129006162025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726241 (or 726236 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 129006162025 its reverse (520261600921), we get a palindrome (649267762946).

The spelling of 129006162025 in words is "one hundred twenty-nine billion, six million, one hundred sixty-two thousand, twenty-five".