103909201 has 4 divisors (see below), whose sum is σ = 113355504. Its totient is φ = 94462900.

The previous prime is 103909189. The next prime is 103909249. The reversal of 103909201 is 102909301.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103909201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103909261) 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, 4723135 + ... + 4723156.

It is an arithmetic number, because the mean of its divisors is an integer number (28338876).

Almost surely, 2^103909201 is an apocalyptic number.

103909201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103909201 is a deficient number, since it is larger than the sum of its proper divisors (9446303).

103909201 is an equidigital number, since it uses as much as digits as its factorization.

103909201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446302.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 103909201 is about 10193.5862678451. The cubic root of 103909201 is about 470.1300394663.

It can be divided in two parts, 10390 and 9201, that added together give a palindrome (19591).

The spelling of 103909201 in words is "one hundred three million, nine hundred nine thousand, two hundred one".