102386811 has 4 divisors (see below), whose sum is σ = 136515752. Its totient is φ = 68257872.

The previous prime is 102386803. The next prime is 102386863. The reversal of 102386811 is 118683201.

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

It is not a de Polignac number, because 102386811 - 2³ = 102386803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102386411) 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, 17064466 + ... + 17064471.

It is an arithmetic number, because the mean of its divisors is an integer number (34128938).

Almost surely, 2^102386811 is an apocalyptic number.

102386811 is a deficient number, since it is larger than the sum of its proper divisors (34128941).

102386811 is an equidigital number, since it uses as much as digits as its factorization.

102386811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34128940.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 102386811 is about 10118.6368153027. The cubic root of 102386811 is about 467.8227513819.

The spelling of 102386811 in words is "one hundred two million, three hundred eighty-six thousand, eight hundred eleven".