103812881 has 2 divisors, whose sum is σ = 103812882. Its totient is φ = 103812880.

The previous prime is 103812857. The next prime is 103812899. The reversal of 103812881 is 188218301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 26214400 = 8809^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 103812881 - 2⁶ = 103812817 is a prime.

It is a super-2 number, since 2×103812881² = 21554228523040322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103812811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51906440 + 51906441.

It is an arithmetic number, because the mean of its divisors is an integer number (51906441).

Almost surely, 2^103812881 is an apocalyptic number.

It is an amenable number.

103812881 is a deficient number, since it is larger than the sum of its proper divisors (1).

103812881 is an equidigital number, since it uses as much as digits as its factorization.

103812881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 103812881 is about 10188.8606330639. The cubic root of 103812881 is about 469.9847301513.

The spelling of 103812881 in words is "one hundred three million, eight hundred twelve thousand, eight hundred eighty-one".