1123503641 has 8 divisors (see below), whose sum is σ = 1210729800. Its totient is φ = 1036392192.

The previous prime is 1123503583. The next prime is 1123503671. The reversal of 1123503641 is 1463053211.

It can be written as a sum of positive squares in 4 ways, for example, as 22657600 + 1100846041 = 4760^2 + 33179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123503641 - 2²⁶ = 1056394777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123503641.

It is not an unprimeable number, because it can be changed into a prime (1123503671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760 + ... + 48033.

It is an arithmetic number, because the mean of its divisors is an integer number (151341225).

Almost surely, 2^1123503641 is an apocalyptic number.

It is an amenable number.

1123503641 is a deficient number, since it is larger than the sum of its proper divisors (87226159).

1123503641 is a wasteful number, since it uses less digits than its factorization.

1123503641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355.

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

The square root of 1123503641 is about 33518.7058371889. The cubic root of 1123503641 is about 1039.5805880936.

Adding to 1123503641 its reverse (1463053211), we get a palindrome (2586556852).

The spelling of 1123503641 in words is "one billion, one hundred twenty-three million, five hundred three thousand, six hundred forty-one".