1403601103 has 4 divisors (see below), whose sum is σ = 1403851000. Its totient is φ = 1403351208.

The previous prime is 1403601077. The next prime is 1403601139. The reversal of 1403601103 is 3011063041.

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 1403601103 - 2¹⁷ = 1403470031 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 (1403601403) 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, 116325 + ... + 127822.

It is an arithmetic number, because the mean of its divisors is an integer number (350962750).

Almost surely, 2^1403601103 is an apocalyptic number.

1403601103 is a deficient number, since it is larger than the sum of its proper divisors (249897).

1403601103 is an equidigital number, since it uses as much as digits as its factorization.

1403601103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249896.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1403601103 is about 37464.6647255784. The cubic root of 1403601103 is about 1119.6472908821.

Adding to 1403601103 its reverse (3011063041), we get a palindrome (4414664144).

The spelling of 1403601103 in words is "one billion, four hundred three million, six hundred one thousand, one hundred three".