1115402103 has 32 divisors (see below), whose sum is σ = 1715834880. Its totient is φ = 715361760.

The previous prime is 1115402081. The next prime is 1115402107. The reversal of 1115402103 is 3012045111.

1115402103 is a `hidden beast` number, since 111 + 540 + 2 + 10 + 3 = 666.

It is not a de Polignac number, because 1115402103 - 2⁶ = 1115402039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115402107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140950 + ... + 148652.

It is an arithmetic number, because the mean of its divisors is an integer number (53619840).

Almost surely, 2^1115402103 is an apocalyptic number.

1115402103 is a deficient number, since it is larger than the sum of its proper divisors (600432777).

1115402103 is a wasteful number, since it uses less digits than its factorization.

1115402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7910 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1115402103 is about 33397.6361888083. The cubic root of 1115402103 is about 1037.0757669043.

Adding to 1115402103 its reverse (3012045111), we get a palindrome (4127447214).

The spelling of 1115402103 in words is "one billion, one hundred fifteen million, four hundred two thousand, one hundred three".