103193149 has 2 divisors, whose sum is σ = 103193150. Its totient is φ = 103193148.

The previous prime is 103193119. The next prime is 103193171. The reversal of 103193149 is 941391301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84548025 + 18645124 = 9195^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 103193149 - 2⁹ = 103192637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103193149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103193119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51596574 + 51596575.

It is an arithmetic number, because the mean of its divisors is an integer number (51596575).

Almost surely, 2^103193149 is an apocalyptic number.

It is an amenable number.

103193149 is a deficient number, since it is larger than the sum of its proper divisors (1).

103193149 is an equidigital number, since it uses as much as digits as its factorization.

103193149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 103193149 is about 10158.4028764368. The cubic root of 103193149 is about 469.0476399704.

The spelling of 103193149 in words is "one hundred three million, one hundred ninety-three thousand, one hundred forty-nine".