128103728054 has 16 divisors (see below), whose sum is σ = 193018121520. Its totient is φ = 63764422560.

The previous prime is 128103727981. The next prime is 128103728087. The reversal of 128103728054 is 450827301821.

It is a super-3 number, since 3×128103728054³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 6440084 + ... + 6459944.

It is an arithmetic number, because the mean of its divisors is an integer number (12063632595).

Almost surely, 2^128103728054 is an apocalyptic number.

128103728054 is a deficient number, since it is larger than the sum of its proper divisors (64914393466).

128103728054 is a wasteful number, since it uses less digits than its factorization.

128103728054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34175.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 128103728054 in words is "one hundred twenty-eight billion, one hundred three million, seven hundred twenty-eight thousand, fifty-four".