102857471 has 8 divisors (see below), whose sum is σ = 105434784. Its totient is φ = 100303840.

The previous prime is 102857467. The next prime is 102857477. The reversal of 102857471 is 174758201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102857471 - 2² = 102857467 is a prime.

It is a super-3 number, since 3×102857471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102857477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (13179348).

Almost surely, 2^102857471 is an apocalyptic number.

102857471 is a deficient number, since it is larger than the sum of its proper divisors (2577313).

102857471 is a wasteful number, since it uses less digits than its factorization.

102857471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 102857471 is about 10141.8672343903. The cubic root of 102857471 is about 468.5384976264.

The spelling of 102857471 in words is "one hundred two million, eight hundred fifty-seven thousand, four hundred seventy-one".