128001025130 has 16 divisors (see below), whose sum is σ = 251347467744. Its totient is φ = 46545827280.

The previous prime is 128001025123. The next prime is 128001025157. The reversal of 128001025130 is 31520100821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128001025096 and 128001025105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581822732 + ... + 581822951.

It is an arithmetic number, because the mean of its divisors is an integer number (15709216734).

Almost surely, 2^128001025130 is an apocalyptic number.

128001025130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128001025130 is a deficient number, since it is larger than the sum of its proper divisors (123346442614).

128001025130 is a wasteful number, since it uses less digits than its factorization.

128001025130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163645701.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 128001025130 its reverse (31520100821), we get a palindrome (159521125951).

The spelling of 128001025130 in words is "one hundred twenty-eight billion, one million, twenty-five thousand, one hundred thirty".