128351104 has 32 divisors (see below), whose sum is σ = 292230000. Its totient is φ = 55007232.

The previous prime is 128351077. The next prime is 128351131. The reversal of 128351104 is 401153821.

It is an interprime number because it is at equal distance from previous prime (128351077) and next prime (128351131).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70729 + ... + 72520.

Almost surely, 2^128351104 is an apocalyptic number.

128351104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128351104 is an abundant number, since it is smaller than the sum of its proper divisors (163878896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128351104 is an equidigital number, since it uses as much as digits as its factorization.

128351104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143270 (or 143258 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 128351104 is about 11329.2146241476. The cubic root of 128351104 is about 504.4287944038.

The spelling of 128351104 in words is "one hundred twenty-eight million, three hundred fifty-one thousand, one hundred four".