102048917 has 2 divisors, whose sum is σ = 102048918. Its totient is φ = 102048916.

The previous prime is 102048911. The next prime is 102048929. The reversal of 102048917 is 719840201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 29441476 = 8521^2 + 5426^2 .

It is a cyclic number.

It is not a de Polignac number, because 102048917 - 2⁶ = 102048853 is a prime.

It is a super-3 number, since 3×102048917³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102048911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51024458 + 51024459.

It is an arithmetic number, because the mean of its divisors is an integer number (51024459).

Almost surely, 2^102048917 is an apocalyptic number.

It is an amenable number.

102048917 is a deficient number, since it is larger than the sum of its proper divisors (1).

102048917 is an equidigital number, since it uses as much as digits as its factorization.

102048917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 102048917 is about 10101.9264004446. The cubic root of 102048917 is about 467.3075525013.

The spelling of 102048917 in words is "one hundred two million, forty-eight thousand, nine hundred seventeen".