102857093 has 2 divisors, whose sum is σ = 102857094. Its totient is φ = 102857092.

The previous prime is 102857071. The next prime is 102857099. The reversal of 102857093 is 390758201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94342369 + 8514724 = 9713^2 + 2918^2 .

It is a cyclic number.

It is not a de Polignac number, because 102857093 - 2²² = 98662789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102857099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51428546 + 51428547.

It is an arithmetic number, because the mean of its divisors is an integer number (51428547).

Almost surely, 2^102857093 is an apocalyptic number.

It is an amenable number.

102857093 is a deficient number, since it is larger than the sum of its proper divisors (1).

102857093 is an equidigital number, since it uses as much as digits as its factorization.

102857093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 102857093 is about 10141.8485987516. The cubic root of 102857093 is about 468.5379236678.

The spelling of 102857093 in words is "one hundred two million, eight hundred fifty-seven thousand, ninety-three".