103655387 has 4 divisors (see below), whose sum is σ = 113078616. Its totient is φ = 94232160.

The previous prime is 103655359. The next prime is 103655441. The reversal of 103655387 is 783556301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783556301 = 11 ⋅71232391.

It is not a de Polignac number, because 103655387 - 2⁶ = 103655323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103655387.

It is not an unprimeable number, because it can be changed into a prime (103255387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4711598 + ... + 4711619.

It is an arithmetic number, because the mean of its divisors is an integer number (28269654).

Almost surely, 2^103655387 is an apocalyptic number.

103655387 is a deficient number, since it is larger than the sum of its proper divisors (9423229).

103655387 is an equidigital number, since it uses as much as digits as its factorization.

103655387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423228.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 103655387 is about 10181.1289649036. The cubic root of 103655387 is about 469.7469393696.

The spelling of 103655387 in words is "one hundred three million, six hundred fifty-five thousand, three hundred eighty-seven".