103432120 has 64 divisors (see below), whose sum is σ = 262103040. Its totient is φ = 36393600.

The previous prime is 103432117. The next prime is 103432129. The reversal of 103432120 is 21234301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103432094 and 103432103.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9849 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (4095360).

Almost surely, 2^103432120 is an apocalyptic number.

103432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131051520).

103432120 is an abundant number, since it is smaller than the sum of its proper divisors (158670920).

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

103432120 is a wasteful number, since it uses less digits than its factorization.

103432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103432120 is about 10170.1583075191. The cubic root of 103432120 is about 469.4094287522.

Adding to 103432120 its reverse (21234301), we get a palindrome (124666421).

The spelling of 103432120 in words is "one hundred three million, four hundred thirty-two thousand, one hundred twenty".