102512971 has 8 divisors (see below), whose sum is σ = 113943024. Its totient is φ = 91434720.

The previous prime is 102512957. The next prime is 102512981. The reversal of 102512971 is 179215201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102512971 is a prime.

It is a super-3 number, since 3×102512971³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102512911) 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 in 7 ways as a sum of consecutive naturals, for example, 87336 + ... + 88501.

It is an arithmetic number, because the mean of its divisors is an integer number (14242878).

Almost surely, 2^102512971 is an apocalyptic number.

102512971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102512971 is a deficient number, since it is larger than the sum of its proper divisors (11430053).

102512971 is a wasteful number, since it uses less digits than its factorization.

102512971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175901.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 102512971 is about 10124.8689374233. The cubic root of 102512971 is about 468.0148213462.

The spelling of 102512971 in words is "one hundred two million, five hundred twelve thousand, nine hundred seventy-one".