103643441 has 16 divisors (see below), whose sum is σ = 120901248. Its totient is φ = 87801600.

The previous prime is 103643431. The next prime is 103643443. The reversal of 103643441 is 144346301.

It is a de Polignac number, because none of the positive numbers 2^k-103643441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103643441.

It is not an unprimeable number, because it can be changed into a prime (103643443) 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, 16571 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (7556328).

Almost surely, 2^103643441 is an apocalyptic number.

103643441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103643441 is a deficient number, since it is larger than the sum of its proper divisors (17257807).

103643441 is a wasteful number, since it uses less digits than its factorization.

103643441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 103643441 is about 10180.5422743585. The cubic root of 103643441 is about 469.7288929928.

Adding to 103643441 its reverse (144346301), we get a palindrome (247989742).

The spelling of 103643441 in words is "one hundred three million, six hundred forty-three thousand, four hundred forty-one".