128874141 has 24 divisors (see below), whose sum is σ = 207402624. Its totient is φ = 76440960.

The previous prime is 128874107. The next prime is 128874143. The reversal of 128874141 is 141478821.

It is a de Polignac number, because none of the positive numbers 2^k-128874141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128874096 and 128874105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128874143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9196 + ... + 18501.

It is an arithmetic number, because the mean of its divisors is an integer number (8641776).

Almost surely, 2^128874141 is an apocalyptic number.

128874141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128874141 is a deficient number, since it is larger than the sum of its proper divisors (78528483).

128874141 is a wasteful number, since it uses less digits than its factorization.

128874141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27761 (or 27758 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 128874141 is about 11352.2747059785. The cubic root of 128874141 is about 505.1130564117.

The spelling of 128874141 in words is "one hundred twenty-eight million, eight hundred seventy-four thousand, one hundred forty-one".