102858929 has 2 divisors, whose sum is σ = 102858930. Its totient is φ = 102858928.

The previous prime is 102858919. The next prime is 102858937. The reversal of 102858929 is 929858201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 41628304 = 7825^2 + 6452^2 .

It is an emirp because it is prime and its reverse (929858201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102858929 - 2²⁰ = 101810353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102858929.

It is not a weakly prime, because it can be changed into another prime (102858919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51429464 + 51429465.

It is an arithmetic number, because the mean of its divisors is an integer number (51429465).

Almost surely, 2^102858929 is an apocalyptic number.

It is an amenable number.

102858929 is a deficient number, since it is larger than the sum of its proper divisors (1).

102858929 is an equidigital number, since it uses as much as digits as its factorization.

102858929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 102858929 is about 10141.9391143903. The cubic root of 102858929 is about 468.5407114533.

The spelling of 102858929 in words is "one hundred two million, eight hundred fifty-eight thousand, nine hundred twenty-nine".