102276605 has 4 divisors (see below), whose sum is σ = 122731932. Its totient is φ = 81821280.

The previous prime is 102276599. The next prime is 102276611. The reversal of 102276605 is 506672201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102276599) and next prime (102276611).

It can be written as a sum of positive squares in 2 ways, for example, as 53304601 + 48972004 = 7301^2 + 6998^2 .

It is not a de Polignac number, because 102276605 - 2⁴ = 102276589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10227656 + ... + 10227665.

It is an arithmetic number, because the mean of its divisors is an integer number (30682983).

Almost surely, 2^102276605 is an apocalyptic number.

It is an amenable number.

102276605 is a deficient number, since it is larger than the sum of its proper divisors (20455327).

102276605 is an equidigital number, since it uses as much as digits as its factorization.

102276605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455326.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 102276605 is about 10113.1896550989. The cubic root of 102276605 is about 467.6548411378.

The spelling of 102276605 in words is "one hundred two million, two hundred seventy-six thousand, six hundred five".