103232621 has 4 divisors (see below), whose sum is σ = 103440000. Its totient is φ = 103025244.

The previous prime is 103232609. The next prime is 103232639. The reversal of 103232621 is 126232301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126232301 = 13 ⋅9710177.

It is a cyclic number.

It is not a de Polignac number, because 103232621 - 2²⁶ = 36123757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103232593 and 103232602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103232641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102941 + ... + 103938.

It is an arithmetic number, because the mean of its divisors is an integer number (25860000).

Almost surely, 2^103232621 is an apocalyptic number.

It is an amenable number.

103232621 is a deficient number, since it is larger than the sum of its proper divisors (207379).

103232621 is an equidigital number, since it uses as much as digits as its factorization.

103232621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207378.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103232621 is about 10160.3455157785. The cubic root of 103232621 is about 469.1074368611.

Adding to 103232621 its reverse (126232301), we get a palindrome (229464922).

The spelling of 103232621 in words is "one hundred three million, two hundred thirty-two thousand, six hundred twenty-one".