1123110001 has 8 divisors (see below), whose sum is σ = 1221479784. Its totient is φ = 1026451200.

The previous prime is 1123109993. The next prime is 1123110011. The reversal of 1123110001 is 1000113211.

It can be written as a sum of positive squares in 4 ways, for example, as 544755600 + 578354401 = 23340^2 + 24049^2 .

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 1123110001 - 2³ = 1123109993 is a prime.

It is a super-2 number, since 2×1123110001² = 2522752148692440002, which contains 22 as substring.

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 1123110001.

It is not an unprimeable number, because it can be changed into a prime (1123110011) 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, 426376 + ... + 429001.

It is an arithmetic number, because the mean of its divisors is an integer number (152684973).

Almost surely, 2^1123110001 is an apocalyptic number.

It is an amenable number.

1123110001 is a deficient number, since it is larger than the sum of its proper divisors (98369783).

1123110001 is a wasteful number, since it uses less digits than its factorization.

1123110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855491.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1123110001 is about 33512.8333776779. The cubic root of 1123110001 is about 1039.4591619021.

Adding to 1123110001 its reverse (1000113211), we get a palindrome (2123223212).

It can be divided in two parts, 112 and 3110001, that added together give a palindrome (3110113).

The spelling of 1123110001 in words is "one billion, one hundred twenty-three million, one hundred ten thousand, one".