103421232 has 80 divisors (see below), whose sum is σ = 302525280. Its totient is φ = 33815808.

The previous prime is 103421231. The next prime is 103421249. The reversal of 103421232 is 232124301.

103421232 is a `hidden beast` number, since 10 + 3 + 421 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103421231) 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, 20638 + ... + 25154.

It is an arithmetic number, because the mean of its divisors is an integer number (3781566).

Almost surely, 2^103421232 is an apocalyptic number.

103421232 is a gapful number since it is divisible by the number (12) 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 103421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151262640).

103421232 is an abundant number, since it is smaller than the sum of its proper divisors (199104048).

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

103421232 is a wasteful number, since it uses less digits than its factorization.

103421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103421232 is about 10169.6230018620. The cubic root of 103421232 is about 469.3929570501.

Adding to 103421232 its reverse (232124301), we get a palindrome (335545533).

The spelling of 103421232 in words is "one hundred three million, four hundred twenty-one thousand, two hundred thirty-two".