128022801 has 32 divisors (see below), whose sum is σ = 185286528. Its totient is φ = 78336000.

The previous prime is 128022799. The next prime is 128022803. The reversal of 128022801 is 108220821.

It is an interprime number because it is at equal distance from previous prime (128022799) and next prime (128022803).

It is not a de Polignac number, because 128022801 - 2¹ = 128022799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128022803) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 509926 + ... + 510176.

It is an arithmetic number, because the mean of its divisors is an integer number (5790204).

Almost surely, 2^128022801 is an apocalyptic number.

It is an amenable number.

128022801 is a deficient number, since it is larger than the sum of its proper divisors (57263727).

128022801 is a wasteful number, since it uses less digits than its factorization.

128022801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 128022801 is about 11314.7161254713. The cubic root of 128022801 is about 503.9983426186.

The spelling of 128022801 in words is "one hundred twenty-eight million, twenty-two thousand, eight hundred one".