128016926 has 8 divisors (see below), whose sum is σ = 193314600. Its totient is φ = 63578728.

The previous prime is 128016901. The next prime is 128016937. The reversal of 128016926 is 629610821.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214496 + ... + 215091.

It is an arithmetic number, because the mean of its divisors is an integer number (24164325).

Almost surely, 2^128016926 is an apocalyptic number.

128016926 is a deficient number, since it is larger than the sum of its proper divisors (65297674).

128016926 is a wasteful number, since it uses less digits than its factorization.

128016926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429738.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 128016926 is about 11314.4565048437. The cubic root of 128016926 is about 503.9906329619.

The spelling of 128016926 in words is "one hundred twenty-eight million, sixteen thousand, nine hundred twenty-six".