128370801 has 16 divisors (see below), whose sum is σ = 185572800. Its totient is φ = 78463680.

The previous prime is 128370799. The next prime is 128370833. The reversal of 128370801 is 108073821.

It is a happy number.

It is not a de Polignac number, because 128370801 - 2¹ = 128370799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128370001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5235 + ... + 16856.

It is an arithmetic number, because the mean of its divisors is an integer number (11598300).

Almost surely, 2^128370801 is an apocalyptic number.

It is an amenable number.

128370801 is a deficient number, since it is larger than the sum of its proper divisors (57201999).

128370801 is a wasteful number, since it uses less digits than its factorization.

128370801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22256.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 128370801 is about 11330.0838920107. The cubic root of 128370801 is about 504.4545966121.

The spelling of 128370801 in words is "one hundred twenty-eight million, three hundred seventy thousand, eight hundred one".