1231006006 has 16 divisors (see below), whose sum is σ = 1956021264. Its totient is φ = 579032064.

The previous prime is 1231005983. The next prime is 1231006009. The reversal of 1231006006 is 6006001321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231006009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81181 + ... + 95143.

It is an arithmetic number, because the mean of its divisors is an integer number (122251329).

Almost surely, 2^1231006006 is an apocalyptic number.

1231006006 is a deficient number, since it is larger than the sum of its proper divisors (725015258).

1231006006 is a wasteful number, since it uses less digits than its factorization.

1231006006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1231006006 is about 35085.6951762396. The cubic root of 1231006006 is about 1071.7332975004.

Adding to 1231006006 its reverse (6006001321), we get a palindrome (7237007327).

The spelling of 1231006006 in words is "one billion, two hundred thirty-one million, six thousand, six".