128231602114 has 64 divisors (see below), whose sum is σ = 247984349184. Its totient is φ = 48263040000.

The previous prime is 128231602111. The next prime is 128231602117. The reversal of 128231602114 is 411206132821.

It is an interprime number because it is at equal distance from previous prime (128231602111) and next prime (128231602117).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (128231602111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2702434 + ... + 2749474.

It is an arithmetic number, because the mean of its divisors is an integer number (3874755456).

Almost surely, 2^128231602114 is an apocalyptic number.

128231602114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128231602114 is a deficient number, since it is larger than the sum of its proper divisors (119752747070).

128231602114 is a wasteful number, since it uses less digits than its factorization.

128231602114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47663.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 128231602114 its reverse (411206132821), we get a palindrome (539437734935).

The spelling of 128231602114 in words is "one hundred twenty-eight billion, two hundred thirty-one million, six hundred two thousand, one hundred fourteen".