103409206 has 4 divisors (see below), whose sum is σ = 155113812. Its totient is φ = 51704602.

The previous prime is 103409203. The next prime is 103409227. The reversal of 103409206 is 602904301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602904301 = 491 ⋅1227911.

It is a super-3 number, since 3×103409206³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103409203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25852300 + ... + 25852303.

It is an arithmetic number, because the mean of its divisors is an integer number (38778453).

Almost surely, 2^103409206 is an apocalyptic number.

103409206 is a deficient number, since it is larger than the sum of its proper divisors (51704606).

103409206 is an equidigital number, since it uses as much as digits as its factorization.

103409206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51704605.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 103409206 is about 10169.0317139834. The cubic root of 103409206 is about 469.3747624028.

The spelling of 103409206 in words is "one hundred three million, four hundred nine thousand, two hundred six".