128101922926 has 8 divisors (see below), whose sum is σ = 194785115904. Its totient is φ = 63173550960.

The previous prime is 128101922917. The next prime is 128101922951. The reversal of 128101922926 is 629229101821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438705070 + ... + 438705361.

It is an arithmetic number, because the mean of its divisors is an integer number (24348139488).

Almost surely, 2^128101922926 is an apocalyptic number.

128101922926 is a deficient number, since it is larger than the sum of its proper divisors (66683192978).

128101922926 is an equidigital number, since it uses as much as digits as its factorization.

128101922926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877410506.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 128101922926 in words is "one hundred twenty-eight billion, one hundred one million, nine hundred twenty-two thousand, nine hundred twenty-six".