129241245194 has 8 divisors (see below), whose sum is σ = 194876851968. Its totient is φ = 64282294540.

The previous prime is 129241245149. The next prime is 129241245197. The reversal of 129241245194 is 491542142921.

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

It is not an unprimeable number, because it can be changed into a prime (129241245197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169163552 + ... + 169164315.

It is an arithmetic number, because the mean of its divisors is an integer number (24359606496).

Almost surely, 2^129241245194 is an apocalyptic number.

129241245194 is a deficient number, since it is larger than the sum of its proper divisors (65635606774).

129241245194 is a wasteful number, since it uses less digits than its factorization.

129241245194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338328060.

The product of its digits is 207360, while the sum is 44.

The spelling of 129241245194 in words is "one hundred twenty-nine billion, two hundred forty-one million, two hundred forty-five thousand, one hundred ninety-four".