103205079 has 18 divisors (see below), whose sum is σ = 158362880. Its totient is φ = 64754496.

The previous prime is 103205057. The next prime is 103205119. The reversal of 103205079 is 970502301.

It is not a de Polignac number, because 103205079 - 2⁹ = 103204567 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 (103205029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17239 + ... + 22440.

Almost surely, 2^103205079 is an apocalyptic number.

103205079 is a deficient number, since it is larger than the sum of its proper divisors (55157801).

103205079 is a wasteful number, since it uses less digits than its factorization.

103205079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39719 (or 39699 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 103205079 is about 10158.9900580717. The cubic root of 103205079 is about 469.0657145641.

The spelling of 103205079 in words is "one hundred three million, two hundred five thousand, seventy-nine".