103887961 has 2 divisors, whose sum is σ = 103887962. Its totient is φ = 103887960.

The previous prime is 103887937. The next prime is 103887977. The reversal of 103887961 is 169788301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89019225 + 14868736 = 9435^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 103887961 - 2⁵ = 103887929 is a prime.

It is not a weakly prime, because it can be changed into another prime (103887761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51943980 + 51943981.

It is an arithmetic number, because the mean of its divisors is an integer number (51943981).

Almost surely, 2^103887961 is an apocalyptic number.

It is an amenable number.

103887961 is a deficient number, since it is larger than the sum of its proper divisors (1).

103887961 is an equidigital number, since it uses as much as digits as its factorization.

103887961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 103887961 is about 10192.5443830282. The cubic root of 103887961 is about 470.0980043100.

The spelling of 103887961 in words is "one hundred three million, eight hundred eighty-seven thousand, nine hundred sixty-one".