102878003 has 2 divisors, whose sum is σ = 102878004. Its totient is φ = 102878002.

The previous prime is 102877991. The next prime is 102878029. The reversal of 102878003 is 300878201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102878003 - 2²⁴ = 86100787 is a prime.

It is not a weakly prime, because it can be changed into another prime (102878053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51439001 + 51439002.

It is an arithmetic number, because the mean of its divisors is an integer number (51439002).

Almost surely, 2^102878003 is an apocalyptic number.

102878003 is a deficient number, since it is larger than the sum of its proper divisors (1).

102878003 is an equidigital number, since it uses as much as digits as its factorization.

102878003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 102878003 is about 10142.8794235168. The cubic root of 102878003 is about 468.5696714838.

The spelling of 102878003 in words is "one hundred two million, eight hundred seventy-eight thousand, three".