128801337 has 16 divisors (see below), whose sum is σ = 196712832. Its totient is φ = 73434240.

The previous prime is 128801327. The next prime is 128801341. The reversal of 128801337 is 733108821.

It is not a de Polignac number, because 128801337 - 2¹² = 128797241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128801298 and 128801307.

It is not an unprimeable number, because it can be changed into a prime (128801327) 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, 2887 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (12294552).

Almost surely, 2^128801337 is an apocalyptic number.

It is an amenable number.

128801337 is a deficient number, since it is larger than the sum of its proper divisors (67911495).

128801337 is a wasteful number, since it uses less digits than its factorization.

128801337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13888.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 128801337 is about 11349.0676709587. The cubic root of 128801337 is about 505.0179217899.

The spelling of 128801337 in words is "one hundred twenty-eight million, eight hundred one thousand, three hundred thirty-seven".