1163004123 has 8 divisors (see below), whose sum is σ = 1551725136. Its totient is φ = 774809600.

The previous prime is 1163004107. The next prime is 1163004133. The reversal of 1163004123 is 3214003611.

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 1163004123 - 2⁴ = 1163004107 is a prime.

It is a super-2 number, since 2×1163004123² = 2705157180229998258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1163004123.

It is not an unprimeable number, because it can be changed into a prime (1163004103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126438 + ... + 135323.

It is an arithmetic number, because the mean of its divisors is an integer number (193965642).

Almost surely, 2^1163004123 is an apocalyptic number.

1163004123 is a deficient number, since it is larger than the sum of its proper divisors (388721013).

1163004123 is a wasteful number, since it uses less digits than its factorization.

1163004123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263245.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1163004123 is about 34102.8462595133. The cubic root of 1163004123 is about 1051.6238284924.

Adding to 1163004123 its reverse (3214003611), we get a palindrome (4377007734).

The spelling of 1163004123 in words is "one billion, one hundred sixty-three million, four thousand, one hundred twenty-three".