103403505 has 8 divisors (see below), whose sum is σ = 165445632. Its totient is φ = 55148528.

The previous prime is 103403483. The next prime is 103403533. The reversal of 103403505 is 505304301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103403505 - 2¹² = 103399409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446769 + ... + 3446798.

It is an arithmetic number, because the mean of its divisors is an integer number (20680704).

Almost surely, 2^103403505 is an apocalyptic number.

103403505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103403505 is a deficient number, since it is larger than the sum of its proper divisors (62042127).

103403505 is an equidigital number, since it uses as much as digits as its factorization.

103403505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893575.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 103403505 is about 10168.7513982789. The cubic root of 103403505 is about 469.3661366244.

Adding to 103403505 its reverse (505304301), we get a palindrome (608707806).

The spelling of 103403505 in words is "one hundred three million, four hundred three thousand, five hundred five".