128084037 has 4 divisors (see below), whose sum is σ = 170778720. Its totient is φ = 85389356.

The previous prime is 128083999. The next prime is 128084087. The reversal of 128084037 is 730480821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 128084037 - 2¹⁰ = 128083013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128083989 and 128084007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128084087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21347337 + ... + 21347342.

It is an arithmetic number, because the mean of its divisors is an integer number (42694680).

Almost surely, 2^128084037 is an apocalyptic number.

It is an amenable number.

128084037 is a deficient number, since it is larger than the sum of its proper divisors (42694683).

128084037 is an equidigital number, since it uses as much as digits as its factorization.

128084037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42694682.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 128084037 is about 11317.4218353828. The cubic root of 128084037 is about 504.0786874811.

The spelling of 128084037 in words is "one hundred twenty-eight million, eighty-four thousand, thirty-seven".