1113603245 has 16 divisors (see below), whose sum is σ = 1379596080. Its totient is φ = 862285824.

The previous prime is 1113603217. The next prime is 1113603287. The reversal of 1113603245 is 5423063111.

It can be written as a sum of positive squares in 8 ways, for example, as 54361129 + 1059242116 = 7373^2 + 32546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113603245 - 2⁸ = 1113602989 is a prime.

It is a super-2 number, since 2×1113603245² = 2480224374549060050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 20111 + ... + 51299.

It is an arithmetic number, because the mean of its divisors is an integer number (86224755).

Almost surely, 2^1113603245 is an apocalyptic number.

It is an amenable number.

1113603245 is a deficient number, since it is larger than the sum of its proper divisors (265992835).

1113603245 is a wasteful number, since it uses less digits than its factorization.

1113603245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31424.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1113603245 is about 33370.6944039227. The cubic root of 1113603245 is about 1036.5179543689.

Adding to 1113603245 its reverse (5423063111), we get a palindrome (6536666356).

The spelling of 1113603245 in words is "one billion, one hundred thirteen million, six hundred three thousand, two hundred forty-five".