103188361 has 2 divisors, whose sum is σ = 103188362. Its totient is φ = 103188360.

The previous prime is 103188353. The next prime is 103188377. The reversal of 103188361 is 163881301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79762761 + 23425600 = 8931^2 + 4840^2 .

It is a cyclic number.

It is not a de Polignac number, because 103188361 - 2³ = 103188353 is a prime.

It is not a weakly prime, because it can be changed into another prime (103188341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51594180 + 51594181.

It is an arithmetic number, because the mean of its divisors is an integer number (51594181).

Almost surely, 2^103188361 is an apocalyptic number.

It is an amenable number.

103188361 is a deficient number, since it is larger than the sum of its proper divisors (1).

103188361 is an equidigital number, since it uses as much as digits as its factorization.

103188361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 103188361 is about 10158.1672067357. The cubic root of 103188361 is about 469.0403855004.

The spelling of 103188361 in words is "one hundred three million, one hundred eighty-eight thousand, three hundred sixty-one".