1103512052 has 6 divisors (see below), whose sum is σ = 1931146098. Its totient is φ = 551756024.

The previous prime is 1103512051. The next prime is 1103512073. The reversal of 1103512052 is 2502153011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 626701156 + 476810896 = 25034^2 + 21836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103512051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137939003 + ... + 137939010.

It is an arithmetic number, because the mean of its divisors is an integer number (321857683).

Almost surely, 2^1103512052 is an apocalyptic number.

It is an amenable number.

1103512052 is a deficient number, since it is larger than the sum of its proper divisors (827634046).

1103512052 is a wasteful number, since it uses less digits than its factorization.

1103512052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275878017 (or 275878015 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1103512052 is about 33219.1518856216. The cubic root of 1103512052 is about 1033.3775608773.

Adding to 1103512052 its reverse (2502153011), we get a palindrome (3605665063).

The spelling of 1103512052 in words is "one billion, one hundred three million, five hundred twelve thousand, fifty-two".