103989901 has 4 divisors (see below), whose sum is σ = 110106972. Its totient is φ = 97872832.

The previous prime is 103989883. The next prime is 103989913. The reversal of 103989901 is 109989301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86974276 + 17015625 = 9326^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 103989901 - 2⁷ = 103989773 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 (103989961) 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, 3058510 + ... + 3058543.

It is an arithmetic number, because the mean of its divisors is an integer number (27526743).

Almost surely, 2^103989901 is an apocalyptic number.

It is an amenable number.

103989901 is a deficient number, since it is larger than the sum of its proper divisors (6117071).

103989901 is an equidigital number, since it uses as much as digits as its factorization.

103989901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117070.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 103989901 is about 10197.5438709525. The cubic root of 103989901 is about 470.2517151738.

The spelling of 103989901 in words is "one hundred three million, nine hundred eighty-nine thousand, nine hundred one".