1378018103 has 16 divisors (see below), whose sum is σ = 1721803776. Its totient is φ = 1071433440.

The previous prime is 1378018097. The next prime is 1378018157. The reversal of 1378018103 is 3018108731.

It is not a de Polignac number, because 1378018103 - 2⁸ = 1378017847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1378018103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378018403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16325 + ... + 54977.

It is an arithmetic number, because the mean of its divisors is an integer number (107612736).

Almost surely, 2^1378018103 is an apocalyptic number.

1378018103 is a deficient number, since it is larger than the sum of its proper divisors (343785673).

1378018103 is a wasteful number, since it uses less digits than its factorization.

1378018103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39134.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1378018103 is about 37121.6662206857. Note that the first 3 decimals coincide. The cubic root of 1378018103 is about 1112.8030508489.

The spelling of 1378018103 in words is "one billion, three hundred seventy-eight million, eighteen thousand, one hundred three".