129620603067 has 4 divisors (see below), whose sum is σ = 172827470760. Its totient is φ = 86413735376.

The previous prime is 129620603029. The next prime is 129620603083. The reversal of 129620603067 is 760306026921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129620603067 - 2¹⁰ = 129620602043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129620601067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21603433842 + ... + 21603433847.

It is an arithmetic number, because the mean of its divisors is an integer number (43206867690).

Almost surely, 2^129620603067 is an apocalyptic number.

129620603067 is a deficient number, since it is larger than the sum of its proper divisors (43206867693).

129620603067 is an equidigital number, since it uses as much as digits as its factorization.

129620603067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43206867692.

The product of its (nonzero) digits is 163296, while the sum is 42.

Adding to 129620603067 its reverse (760306026921), we get a palindrome (889926629988).

The spelling of 129620603067 in words is "one hundred twenty-nine billion, six hundred twenty million, six hundred three thousand, sixty-seven".