102171417 has 16 divisors (see below), whose sum is σ = 143626560. Its totient is φ = 64426752.

The previous prime is 102171413. The next prime is 102171427. The reversal of 102171417 is 714171201.

It is not a de Polignac number, because 102171417 - 2² = 102171413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102171413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52453 + ... + 54365.

It is an arithmetic number, because the mean of its divisors is an integer number (8976660).

Almost surely, 2^102171417 is an apocalyptic number.

It is an amenable number.

102171417 is a deficient number, since it is larger than the sum of its proper divisors (41455143).

102171417 is a wasteful number, since it uses less digits than its factorization.

102171417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 102171417 is about 10107.9877819475. The cubic root of 102171417 is about 467.4944637929.

The spelling of 102171417 in words is "one hundred two million, one hundred seventy-one thousand, four hundred seventeen".