129951234227 has 8 divisors (see below), whose sum is σ = 130896310896. Its totient is φ = 129009468672.

The previous prime is 129951234209. The next prime is 129951234263. The reversal of 129951234227 is 722432159921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129951234227 - 2⁶ = 129951234163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129951239227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748973 + ... + 906014.

It is an arithmetic number, because the mean of its divisors is an integer number (16362038862).

Almost surely, 2^129951234227 is an apocalyptic number.

129951234227 is a deficient number, since it is larger than the sum of its proper divisors (945076669).

129951234227 is a wasteful number, since it uses less digits than its factorization.

129951234227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655557.

The product of its digits is 544320, while the sum is 47.

The spelling of 129951234227 in words is "one hundred twenty-nine billion, nine hundred fifty-one million, two hundred thirty-four thousand, two hundred twenty-seven".