1123130001 has 32 divisors (see below), whose sum is σ = 1756459008. Its totient is φ = 625040640.

The previous prime is 1123129991. The next prime is 1123130053. The reversal of 1123130001 is 1000313211.

It is not a de Polignac number, because 1123130001 - 2¹⁹ = 1122605713 is a prime.

It is a super-2 number, since 2×1123130001² = 2522841998292520002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123130081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205561 + ... + 210953.

It is an arithmetic number, because the mean of its divisors is an integer number (54889344).

Almost surely, 2^1123130001 is an apocalyptic number.

It is an amenable number.

1123130001 is a deficient number, since it is larger than the sum of its proper divisors (633329007).

1123130001 is a wasteful number, since it uses less digits than its factorization.

1123130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1123130001 is about 33513.1317695019. The cubic root of 1123130001 is about 1039.4653319893.

Adding to 1123130001 its reverse (1000313211), we get a palindrome (2123443212).

The spelling of 1123130001 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand, one".