103432128 has 28 divisors (see below), whose sum is σ = 273664680. Its totient is φ = 34477312.

The previous prime is 103432117. The next prime is 103432129. The reversal of 103432128 is 821234301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 103432098 and 103432107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103432129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269163 + ... + 269546.

Almost surely, 2^103432128 is an apocalyptic number.

It is an amenable number.

103432128 is an abundant number, since it is smaller than the sum of its proper divisors (170232552).

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

103432128 is an equidigital number, since it uses as much as digits as its factorization.

103432128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538724 (or 538714 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 103432128 is about 10170.1587008266. The cubic root of 103432128 is about 469.4094408544.

Adding to 103432128 its reverse (821234301), we get a palindrome (924666429).

The spelling of 103432128 in words is "one hundred three million, four hundred thirty-two thousand, one hundred twenty-eight".