60128939 has 8 divisors (see below), whose sum is σ = 68162640. Its totient is φ = 52582176.

The previous prime is 60128927. The next prime is 60128941. The reversal of 60128939 is 93982106.

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 60128939 - 2⁸ = 60128683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60128909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121472 + ... + 121965.

It is an arithmetic number, because the mean of its divisors is an integer number (8520330).

Almost surely, 2^60128939 is an apocalyptic number.

60128939 is a deficient number, since it is larger than the sum of its proper divisors (8033701).

60128939 is a wasteful number, since it uses less digits than its factorization.

60128939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243469.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 60128939 is about 7754.2852023897. The cubic root of 60128939 is about 391.7669963183.

The spelling of 60128939 in words is "sixty million, one hundred twenty-eight thousand, nine hundred thirty-nine".