1171306103 has 16 divisors (see below), whose sum is σ = 1361090304. Its totient is φ = 996159360.

The previous prime is 1171306063. The next prime is 1171306109. The reversal of 1171306103 is 3016031711.

It is a cyclic number.

It is not a de Polignac number, because 1171306103 - 2⁶ = 1171306039 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 (1171306109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12476 + ... + 49982.

It is an arithmetic number, because the mean of its divisors is an integer number (85068144).

Almost surely, 2^1171306103 is an apocalyptic number.

1171306103 is a deficient number, since it is larger than the sum of its proper divisors (189784201).

1171306103 is a wasteful number, since it uses less digits than its factorization.

1171306103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37702.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1171306103 is about 34224.3495628478. The cubic root of 1171306103 is about 1054.1201991012.

Adding to 1171306103 its reverse (3016031711), we get a palindrome (4187337814).

The spelling of 1171306103 in words is "one billion, one hundred seventy-one million, three hundred six thousand, one hundred three".