102997685 has 16 divisors (see below), whose sum is σ = 144541056. Its totient is φ = 68983488.

The previous prime is 102997673. The next prime is 102997691. The reversal of 102997685 is 586799201.

It is not a de Polignac number, because 102997685 - 2⁶ = 102997621 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

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, 32714 + ... + 35723.

It is an arithmetic number, because the mean of its divisors is an integer number (9033816).

Almost surely, 2^102997685 is an apocalyptic number.

It is an amenable number.

102997685 is a deficient number, since it is larger than the sum of its proper divisors (41543371).

102997685 is an equidigital number, since it uses as much as digits as its factorization.

102997685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68492.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 102997685 is about 10148.7775125874. Note that the first 3 decimals coincide. The cubic root of 102997685 is about 468.7513028705.

The spelling of 102997685 in words is "one hundred two million, nine hundred ninety-seven thousand, six hundred eighty-five".