102386019 has 16 divisors (see below), whose sum is σ = 144767520. Its totient is φ = 64143360.

The previous prime is 102385961. The next prime is 102386021. The reversal of 102386019 is 910683201.

It is not a de Polignac number, because 102386019 - 2¹³ = 102377827 is a prime.

It is a super-2 number, since 2×102386019² = 20965793773336722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102386059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46299 + ... + 48459.

It is an arithmetic number, because the mean of its divisors is an integer number (9047970).

Almost surely, 2^102386019 is an apocalyptic number.

102386019 is a deficient number, since it is larger than the sum of its proper divisors (42381501).

102386019 is a wasteful number, since it uses less digits than its factorization.

102386019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 102386019 is about 10118.5976795206. The cubic root of 102386019 is about 467.8215451179.

The spelling of 102386019 in words is "one hundred two million, three hundred eighty-six thousand, nineteen".