1385775103 has 4 divisors (see below), whose sum is σ = 1403316640. Its totient is φ = 1368233568.

The previous prime is 1385775091. The next prime is 1385775107. The reversal of 1385775103 is 3015775831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1385775103 - 2⁵ = 1385775071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385775107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8770650 + ... + 8770807.

It is an arithmetic number, because the mean of its divisors is an integer number (350829160).

Almost surely, 2^1385775103 is an apocalyptic number.

1385775103 is a deficient number, since it is larger than the sum of its proper divisors (17541537).

1385775103 is an equidigital number, since it uses as much as digits as its factorization.

1385775103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17541536.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 1385775103 is about 37226.0003626498. Note that the first 3 decimals coincide. The cubic root of 1385775103 is about 1114.8871712464.

The spelling of 1385775103 in words is "one billion, three hundred eighty-five million, seven hundred seventy-five thousand, one hundred three".