1301378103 has 16 divisors (see below), whose sum is σ = 1994450400. Its totient is φ = 837668160.

The previous prime is 1301378053. The next prime is 1301378107. The reversal of 1301378103 is 3018731031.

It is not a de Polignac number, because 1301378103 - 2¹³ = 1301369911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301378107) 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, 830238 + ... + 831803.

It is an arithmetic number, because the mean of its divisors is an integer number (124653150).

Almost surely, 2^1301378103 is an apocalyptic number.

1301378103 is a deficient number, since it is larger than the sum of its proper divisors (693072297).

1301378103 is a wasteful number, since it uses less digits than its factorization.

1301378103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662079 (or 1662073 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1301378103 is about 36074.6185426818. The cubic root of 1301378103 is about 1091.7784011759.

The spelling of 1301378103 in words is "one billion, three hundred one million, three hundred seventy-eight thousand, one hundred three".