103202109 has 12 divisors (see below), whose sum is σ = 150390396. Its totient is φ = 68191872.

The previous prime is 103202093. The next prime is 103202111. The reversal of 103202109 is 901202301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16990884 + 86211225 = 4122^2 + 9285^2 .

It is not a de Polignac number, because 103202109 - 2⁴ = 103202093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103202091 and 103202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49722 + ... + 51755.

It is an arithmetic number, because the mean of its divisors is an integer number (12532533).

Almost surely, 2^103202109 is an apocalyptic number.

It is an amenable number.

103202109 is a deficient number, since it is larger than the sum of its proper divisors (47188287).

103202109 is a wasteful number, since it uses less digits than its factorization.

103202109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101596 (or 101593 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 103202109 is about 10158.8438810723. The cubic root of 103202109 is about 469.0612149841.

The spelling of 103202109 in words is "one hundred three million, two hundred two thousand, one hundred nine".