102076905 has 16 divisors (see below), whose sum is σ = 186655104. Its totient is φ = 46663680.

The previous prime is 102076901. The next prime is 102076907. The reversal of 102076905 is 509670201.

It is not a de Polignac number, because 102076905 - 2² = 102076901 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102076901) 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 15 ways as a sum of consecutive naturals, for example, 485976 + ... + 486185.

It is an arithmetic number, because the mean of its divisors is an integer number (11665944).

Almost surely, 2^102076905 is an apocalyptic number.

102076905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102076905 is a deficient number, since it is larger than the sum of its proper divisors (84578199).

102076905 is an equidigital number, since it uses as much as digits as its factorization.

102076905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972176.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 102076905 is about 10103.3115858119. The cubic root of 102076905 is about 467.3502699505.

The spelling of 102076905 in words is "one hundred two million, seventy-six thousand, nine hundred five".