102776041 has 2 divisors, whose sum is σ = 102776042. Its totient is φ = 102776040.

The previous prime is 102776039. The next prime is 102776071. The reversal of 102776041 is 140677201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 46526041 = 7500^2 + 6821^2 .

It is a cyclic number.

It is not a de Polignac number, because 102776041 - 2¹ = 102776039 is a prime.

Together with 102776039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102776021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51388020 + 51388021.

It is an arithmetic number, because the mean of its divisors is an integer number (51388021).

Almost surely, 2^102776041 is an apocalyptic number.

It is an amenable number.

102776041 is a deficient number, since it is larger than the sum of its proper divisors (1).

102776041 is an equidigital number, since it uses as much as digits as its factorization.

102776041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 102776041 is about 10137.8518927828. The cubic root of 102776041 is about 468.4148211051.

The spelling of 102776041 in words is "one hundred two million, seven hundred seventy-six thousand, forty-one".