128370045 has 8 divisors (see below), whose sum is σ = 205392096. Its totient is φ = 68464016.

The previous prime is 128370031. The next prime is 128370049. The reversal of 128370045 is 540073821.

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 128370045 - 2⁵ = 128370013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 128369994 and 128370021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128370049) 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, 4278987 + ... + 4279016.

It is an arithmetic number, because the mean of its divisors is an integer number (25674012).

Almost surely, 2^128370045 is an apocalyptic number.

128370045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128370045 is a deficient number, since it is larger than the sum of its proper divisors (77022051).

128370045 is an equidigital number, since it uses as much as digits as its factorization.

128370045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558011.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 128370045 is about 11330.0505294548. The cubic root of 128370045 is about 504.4536063339.

The spelling of 128370045 in words is "one hundred twenty-eight million, three hundred seventy thousand, forty-five".