102217485 has 16 divisors (see below), whose sum is σ = 163679040. Its totient is φ = 54472320.

The previous prime is 102217471. The next prime is 102217501. The reversal of 102217485 is 584712201.

It is not a de Polignac number, because 102217485 - 2⁸ = 102217229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27201 + ... + 30729.

It is an arithmetic number, because the mean of its divisors is an integer number (10229940).

Almost surely, 2^102217485 is an apocalyptic number.

102217485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102217485 is a deficient number, since it is larger than the sum of its proper divisors (61461555).

102217485 is a wasteful number, since it uses less digits than its factorization.

102217485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 102217485 is about 10110.2663169671. The cubic root of 102217485 is about 467.5647159878.

Adding to 102217485 its reverse (584712201), we get a palindrome (686929686).

The spelling of 102217485 in words is "one hundred two million, two hundred seventeen thousand, four hundred eighty-five".