128652215 has 8 divisors (see below), whose sum is σ = 154707840. Its totient is φ = 102704992.

The previous prime is 128652191. The next prime is 128652239. The reversal of 128652215 is 512256821.

It is an interprime number because it is at equal distance from previous prime (128652191) and next prime (128652239).

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 128652215 - 2¹⁴ = 128635831 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 24464 + ... + 29253.

It is an arithmetic number, because the mean of its divisors is an integer number (19338480).

Almost surely, 2^128652215 is an apocalyptic number.

128652215 is a deficient number, since it is larger than the sum of its proper divisors (26055625).

128652215 is an equidigital number, since it uses as much as digits as its factorization.

128652215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54201.

The product of its digits is 9600, while the sum is 32.

The square root of 128652215 is about 11342.4959775175. The cubic root of 128652215 is about 504.8229487496.

The spelling of 128652215 in words is "one hundred twenty-eight million, six hundred fifty-two thousand, two hundred fifteen".