103115385 has 24 divisors (see below), whose sum is σ = 179038080. Its totient is φ = 54901152.

The previous prime is 103115377. The next prime is 103115399. The reversal of 103115385 is 583511301.

It is not a de Polignac number, because 103115385 - 2³ = 103115377 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30762 + ... + 33948.

It is an arithmetic number, because the mean of its divisors is an integer number (7459920).

Almost surely, 2^103115385 is an apocalyptic number.

103115385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103115385 is a deficient number, since it is larger than the sum of its proper divisors (75922695).

103115385 is a wasteful number, since it uses less digits than its factorization.

103115385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 103115385 is about 10154.5745848854. The cubic root of 103115385 is about 468.9297891663.

Adding to 103115385 its reverse (583511301), we get a palindrome (686626686).

The spelling of 103115385 in words is "one hundred three million, one hundred fifteen thousand, three hundred eighty-five".