102871257 has 8 divisors (see below), whose sum is σ = 138420480. Its totient is φ = 67951440.

The previous prime is 102871253. The next prime is 102871277. The reversal of 102871257 is 752178201.

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

It is not a de Polignac number, because 102871257 - 2² = 102871253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102871253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156969 + ... + 157622.

It is an arithmetic number, because the mean of its divisors is an integer number (17302560).

Almost surely, 2^102871257 is an apocalyptic number.

It is an amenable number.

102871257 is a deficient number, since it is larger than the sum of its proper divisors (35549223).

102871257 is a wasteful number, since it uses less digits than its factorization.

102871257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314703.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 102871257 is about 10142.5468694998. The cubic root of 102871257 is about 468.5594294495.

The spelling of 102871257 in words is "one hundred two million, eight hundred seventy-one thousand, two hundred fifty-seven".