103232405 has 16 divisors (see below), whose sum is σ = 127576944. Its totient is φ = 80133120.

The previous prime is 103232401. The next prime is 103232411. The reversal of 103232405 is 504232301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7623121 + 95609284 = 2761^2 + 9778^2 .

It is not a de Polignac number, because 103232405 - 2² = 103232401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103232401) 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, 109235 + ... + 110175.

It is an arithmetic number, because the mean of its divisors is an integer number (7973559).

Almost surely, 2^103232405 is an apocalyptic number.

It is an amenable number.

103232405 is a deficient number, since it is larger than the sum of its proper divisors (24344539).

103232405 is an equidigital number, since it uses as much as digits as its factorization.

103232405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 103232405 is about 10160.3348862132. The cubic root of 103232405 is about 469.1071096800.

Adding to 103232405 its reverse (504232301), we get a palindrome (607464706).

The spelling of 103232405 in words is "one hundred three million, two hundred thirty-two thousand, four hundred five".