128050239 has 8 divisors (see below), whose sum is σ = 180776880. Its totient is φ = 80345216.

The previous prime is 128050211. The next prime is 128050261. The reversal of 128050239 is 932050821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128050239 - 2¹² = 128046143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128054239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255344 + ... + 1255445.

It is an arithmetic number, because the mean of its divisors is an integer number (22597110).

Almost surely, 2^128050239 is an apocalyptic number.

128050239 is a deficient number, since it is larger than the sum of its proper divisors (52726641).

128050239 is a wasteful number, since it uses less digits than its factorization.

128050239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510809.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 128050239 is about 11315.9285522665. The cubic root of 128050239 is about 504.0343458894.

The spelling of 128050239 in words is "one hundred twenty-eight million, fifty thousand, two hundred thirty-nine".