102685051 has 8 divisors (see below), whose sum is σ = 121140224. Its totient is φ = 85176360.

The previous prime is 102685031. The next prime is 102685061. The reversal of 102685051 is 150586201.

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

It is a cyclic number.

It is not a de Polignac number, because 102685051 - 2⁵ = 102685019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102685001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236385 + ... + 236818.

It is an arithmetic number, because the mean of its divisors is an integer number (15142528).

Almost surely, 2^102685051 is an apocalyptic number.

102685051 is the 5851-st hex number.

102685051 is a deficient number, since it is larger than the sum of its proper divisors (18455173).

102685051 is an equidigital number, since it uses as much as digits as its factorization.

102685051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473241.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 102685051 is about 10133.3632620172. The cubic root of 102685051 is about 468.2765474758.

The spelling of 102685051 in words is "one hundred two million, six hundred eighty-five thousand, fifty-one".