128374627 has 4 divisors (see below), whose sum is σ = 132515776. Its totient is φ = 124233480.

The previous prime is 128374591. The next prime is 128374657. The reversal of 128374627 is 726473821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726473821 = 1697 ⋅428093.

It is a cyclic number.

It is not a de Polignac number, because 128374627 - 2¹¹ = 128372579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128374627.

It is not an unprimeable number, because it can be changed into a prime (128374657) 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 3 ways as a sum of consecutive naturals, for example, 2070528 + ... + 2070589.

It is an arithmetic number, because the mean of its divisors is an integer number (33128944).

Almost surely, 2^128374627 is an apocalyptic number.

128374627 is a deficient number, since it is larger than the sum of its proper divisors (4141149).

128374627 is an equidigital number, since it uses as much as digits as its factorization.

128374627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141148.

The product of its digits is 112896, while the sum is 40.

The square root of 128374627 is about 11330.2527332800. The cubic root of 128374627 is about 504.4596081986.

The spelling of 128374627 in words is "one hundred twenty-eight million, three hundred seventy-four thousand, six hundred twenty-seven".