103103261 has 2 divisors, whose sum is σ = 103103262. Its totient is φ = 103103260.

The previous prime is 103103219. The next prime is 103103269. The reversal of 103103261 is 162301301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 26977636 = 8725^2 + 5194^2 .

It is a cyclic number.

It is not a de Polignac number, because 103103261 - 2⁶ = 103103197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103103269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51551630 + 51551631.

It is an arithmetic number, because the mean of its divisors is an integer number (51551631).

Almost surely, 2^103103261 is an apocalyptic number.

It is an amenable number.

103103261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103103261 is an equidigital number, since it uses as much as digits as its factorization.

103103261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 103103261 is about 10153.9775950117. The cubic root of 103103261 is about 468.9114099898.

Adding to 103103261 its reverse (162301301), we get a palindrome (265404562).

The spelling of 103103261 in words is "one hundred three million, one hundred three thousand, two hundred sixty-one".