1163603041 has 4 divisors (see below), whose sum is σ = 1167804052. Its totient is φ = 1159402032.

The previous prime is 1163603039. The next prime is 1163603057. The reversal of 1163603041 is 1403063611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446434641 + 717168400 = 21129^2 + 26780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163603041 - 2¹ = 1163603039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163602997 and 1163603015.

It is not an unprimeable number, because it can be changed into a prime (1163603141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100090 + ... + 2100643.

It is an arithmetic number, because the mean of its divisors is an integer number (291951013).

Almost surely, 2^1163603041 is an apocalyptic number.

It is an amenable number.

1163603041 is a deficient number, since it is larger than the sum of its proper divisors (4201011).

1163603041 is an equidigital number, since it uses as much as digits as its factorization.

1163603041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201010.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1163603041 is about 34111.6261852173. The cubic root of 1163603041 is about 1051.8043174926.

Adding to 1163603041 its reverse (1403063611), we get a palindrome (2566666652).

The spelling of 1163603041 in words is "one billion, one hundred sixty-three million, six hundred three thousand, forty-one".