102186041 has 4 divisors (see below), whose sum is σ = 103861284. Its totient is φ = 100510800.

The previous prime is 102186001. The next prime is 102186059. The reversal of 102186041 is 140681201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21114025 + 81072016 = 4595^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 102186041 - 2⁶ = 102185977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102185998 and 102186016.

It is not an unprimeable number, because it can be changed into a prime (102186001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837530 + ... + 837651.

It is an arithmetic number, because the mean of its divisors is an integer number (25965321).

Almost surely, 2^102186041 is an apocalyptic number.

It is an amenable number.

102186041 is a deficient number, since it is larger than the sum of its proper divisors (1675243).

102186041 is an equidigital number, since it uses as much as digits as its factorization.

102186041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675242.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 102186041 is about 10108.7111443547. The cubic root of 102186041 is about 467.5167672025.

The spelling of 102186041 in words is "one hundred two million, one hundred eighty-six thousand, forty-one".