128761652127 has 8 divisors (see below), whose sum is σ = 181781156016. Its totient is φ = 80791624832.

The previous prime is 128761652099. The next prime is 128761652137. The reversal of 128761652127 is 721256167821.

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 128761652127 - 2⁸ = 128761651871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128761652137) 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, 1262369088 + ... + 1262369189.

It is an arithmetic number, because the mean of its divisors is an integer number (22722644502).

Almost surely, 2^128761652127 is an apocalyptic number.

128761652127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128761652127 is a deficient number, since it is larger than the sum of its proper divisors (53019503889).

128761652127 is a wasteful number, since it uses less digits than its factorization.

128761652127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524738297.

The product of its digits is 564480, while the sum is 48.

The spelling of 128761652127 in words is "one hundred twenty-eight billion, seven hundred sixty-one million, six hundred fifty-two thousand, one hundred twenty-seven".