128652105 has 8 divisors (see below), whose sum is σ = 205843392. Its totient is φ = 68614448.

The previous prime is 128652103. The next prime is 128652119. The reversal of 128652105 is 501256821.

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 128652105 - 2¹ = 128652103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128652103) 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, 4288389 + ... + 4288418.

It is an arithmetic number, because the mean of its divisors is an integer number (25730424).

Almost surely, 2^128652105 is an apocalyptic number.

128652105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128652105 is a deficient number, since it is larger than the sum of its proper divisors (77191287).

128652105 is an equidigital number, since it uses as much as digits as its factorization.

128652105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576815.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 128652105 is about 11342.4911284955. The cubic root of 128652105 is about 504.8228048720.

The spelling of 128652105 in words is "one hundred twenty-eight million, six hundred fifty-two thousand, one hundred five".