103128080 has 40 divisors (see below), whose sum is σ = 261572544. Its totient is φ = 37500800.

The previous prime is 103128059. The next prime is 103128083. The reversal of 103128080 is 80821301.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (103128083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57716 + ... + 59475.

Almost surely, 2^103128080 is an apocalyptic number.

103128080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103128080 is an abundant number, since it is smaller than the sum of its proper divisors (158444464).

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

103128080 is a wasteful number, since it uses less digits than its factorization.

103128080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117215 (or 117209 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 103128080 is about 10155.1996533795. The cubic root of 103128080 is about 468.9490323969.

Adding to 103128080 its reverse (80821301), we get a palindrome (183949381).

The spelling of 103128080 in words is "one hundred three million, one hundred twenty-eight thousand, eighty".