102026686 has 16 divisors (see below), whose sum is σ = 157607280. Its totient is φ = 49498560.

The previous prime is 102026681. The next prime is 102026693. The reversal of 102026686 is 686620201.

It is a super-2 number, since 2×102026686² = 20818889312285192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102026681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28581 + ... + 31951.

It is an arithmetic number, because the mean of its divisors is an integer number (9850455).

Almost surely, 2^102026686 is an apocalyptic number.

102026686 is a deficient number, since it is larger than the sum of its proper divisors (55580594).

102026686 is a wasteful number, since it uses less digits than its factorization.

102026686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102026686 is about 10100.8260058274. The cubic root of 102026686 is about 467.2736162644.

Adding to 102026686 its reverse (686620201), we get a palindrome (788646887).

The spelling of 102026686 in words is "one hundred two million, twenty-six thousand, six hundred eighty-six".