103748681 has 2 divisors, whose sum is σ = 103748682. Its totient is φ = 103748680.

The previous prime is 103748677. The next prime is 103748731. The reversal of 103748681 is 186847301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 116281 = 10180^2 + 341^2 .

It is an emirp because it is prime and its reverse (186847301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103748681 - 2² = 103748677 is a prime.

It is a super-2 number, since 2×103748681² = 21527577618479522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (103748611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51874340 + 51874341.

It is an arithmetic number, because the mean of its divisors is an integer number (51874341).

Almost surely, 2^103748681 is an apocalyptic number.

It is an amenable number.

103748681 is a deficient number, since it is larger than the sum of its proper divisors (1).

103748681 is an equidigital number, since it uses as much as digits as its factorization.

103748681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 103748681 is about 10185.7096463624. The cubic root of 103748681 is about 469.8878274632.

The spelling of 103748681 in words is "one hundred three million, seven hundred forty-eight thousand, six hundred eighty-one".