102775951 has 2 divisors, whose sum is σ = 102775952. Its totient is φ = 102775950.

The previous prime is 102775949. The next prime is 102776021. The reversal of 102775951 is 159577201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102775951 - 2¹ = 102775949 is a prime.

It is a super-2 number, since 2×102775951² = 21125792207908802, which contains 22 as substring.

Together with 102775949, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102775951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102775051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51387975 + 51387976.

It is an arithmetic number, because the mean of its divisors is an integer number (51387976).

Almost surely, 2^102775951 is an apocalyptic number.

102775951 is a deficient number, since it is larger than the sum of its proper divisors (1).

102775951 is an equidigital number, since it uses as much as digits as its factorization.

102775951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 102775951 is about 10137.8474539717. The cubic root of 102775951 is about 468.4146843762.

The spelling of 102775951 in words is "one hundred two million, seven hundred seventy-five thousand, nine hundred fifty-one".