128114965 has 16 divisors (see below), whose sum is σ = 169382016. Its totient is φ = 92248000.

The previous prime is 128114957. The next prime is 128115023. The reversal of 128114965 is 569411821.

It is not a de Polignac number, because 128114965 - 2³ = 128114957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5977 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (10586376).

Almost surely, 2^128114965 is an apocalyptic number.

It is an amenable number.

128114965 is a deficient number, since it is larger than the sum of its proper divisors (41267051).

128114965 is a wasteful number, since it uses less digits than its factorization.

128114965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23180.

The product of its digits is 17280, while the sum is 37.

The square root of 128114965 is about 11318.7881418463. The cubic root of 128114965 is about 504.1192569160.

The spelling of 128114965 in words is "one hundred twenty-eight million, one hundred fourteen thousand, nine hundred sixty-five".