103971605 has 8 divisors (see below), whose sum is σ = 126628512. Its totient is φ = 81935568.

The previous prime is 103971587. The next prime is 103971607. The reversal of 103971605 is 506179301.

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 103971605 - 2⁸ = 103971349 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 (103971607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154847 + ... + 155516.

It is an arithmetic number, because the mean of its divisors is an integer number (15828564).

Almost surely, 2^103971605 is an apocalyptic number.

It is an amenable number.

103971605 is a deficient number, since it is larger than the sum of its proper divisors (22656907).

103971605 is an equidigital number, since it uses as much as digits as its factorization.

103971605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310435.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 103971605 is about 10196.6467527320. The cubic root of 103971605 is about 470.2241348353.

The spelling of 103971605 in words is "one hundred three million, nine hundred seventy-one thousand, six hundred five".