1311122103 has 8 divisors (see below), whose sum is σ = 1808444400. Its totient is φ = 843940608.

The previous prime is 1311122089. The next prime is 1311122117. The reversal of 1311122103 is 3012211131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1311122089) and next prime (1311122117).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311122103 - 2¹³ = 1311113911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311122143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535098 + ... + 7535271.

It is an arithmetic number, because the mean of its divisors is an integer number (226055550).

Almost surely, 2^1311122103 is an apocalyptic number.

1311122103 is a deficient number, since it is larger than the sum of its proper divisors (497322297).

1311122103 is a wasteful number, since it uses less digits than its factorization.

1311122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070401.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1311122103 is about 36209.4200864913. The cubic root of 1311122103 is about 1094.4965062893.

Adding to 1311122103 its reverse (3012211131), we get a palindrome (4323333234).

The spelling of 1311122103 in words is "one billion, three hundred eleven million, one hundred twenty-two thousand, one hundred three".