1103635073 has 2 divisors, whose sum is σ = 1103635074. Its totient is φ = 1103635072.

The previous prime is 1103635069. The next prime is 1103635139. The reversal of 1103635073 is 3705363011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009777729 + 93857344 = 31777^2 + 9688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103635073 - 2² = 1103635069 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103635003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551817536 + 551817537.

It is an arithmetic number, because the mean of its divisors is an integer number (551817537).

Almost surely, 2^1103635073 is an apocalyptic number.

It is an amenable number.

1103635073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103635073 is an equidigital number, since it uses as much as digits as its factorization.

1103635073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 1103635073 is about 33221.0034917671. The cubic root of 1103635073 is about 1033.4159602214.

Adding to 1103635073 its reverse (3705363011), we get a palindrome (4808998084).

The spelling of 1103635073 in words is "one billion, one hundred three million, six hundred thirty-five thousand, seventy-three".