102038685 has 32 divisors (see below), whose sum is σ = 186976512. Its totient is φ = 46548480.

The previous prime is 102038681. The next prime is 102038689. The reversal of 102038685 is 586830201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102038681) and next prime (102038689).

It is not a de Polignac number, because 102038685 - 2² = 102038681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102038681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79267 + ... + 80543.

It is an arithmetic number, because the mean of its divisors is an integer number (5843016).

Almost surely, 2^102038685 is an apocalyptic number.

102038685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102038685 is a deficient number, since it is larger than the sum of its proper divisors (84937827).

102038685 is a wasteful number, since it uses less digits than its factorization.

102038685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 102038685 is about 10101.4199496902. The cubic root of 102038685 is about 467.2919336823.

Adding to 102038685 its reverse (586830201), we get a palindrome (688868886).

The spelling of 102038685 in words is "one hundred two million, thirty-eight thousand, six hundred eighty-five".