103061261 has 2 divisors, whose sum is σ = 103061262. Its totient is φ = 103061260.

The previous prime is 103061227. The next prime is 103061279. The reversal of 103061261 is 162160301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100120036 + 2941225 = 10006^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 103061261 - 2¹⁸ = 102799117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103061281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51530630 + 51530631.

It is an arithmetic number, because the mean of its divisors is an integer number (51530631).

Almost surely, 2^103061261 is an apocalyptic number.

It is an amenable number.

103061261 is a deficient number, since it is larger than the sum of its proper divisors (1).

103061261 is an equidigital number, since it uses as much as digits as its factorization.

103061261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103061261 is about 10151.9092293026. The cubic root of 103061261 is about 468.8477296437.

The spelling of 103061261 in words is "one hundred three million, sixty-one thousand, two hundred sixty-one".