128092047929 has 8 divisors (see below), whose sum is σ = 130669846272. Its totient is φ = 125520211440.

The previous prime is 128092047911. The next prime is 128092047943. The reversal of 128092047929 is 929740290821.

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 128092047929 - 2⁸ = 128092047673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128092041929) 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, 1447049 + ... + 1533014.

It is an arithmetic number, because the mean of its divisors is an integer number (16333730784).

Almost surely, 2^128092047929 is an apocalyptic number.

It is an amenable number.

128092047929 is a deficient number, since it is larger than the sum of its proper divisors (2577798343).

128092047929 is an equidigital number, since it uses as much as digits as its factorization.

128092047929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980927.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 128092047929 in words is "one hundred twenty-eight billion, ninety-two million, forty-seven thousand, nine hundred twenty-nine".