1231001230 has 16 divisors (see below), whose sum is σ = 2220164640. Its totient is φ = 491431072.

The previous prime is 1231001209. The next prime is 1231001243. The reversal of 1231001230 is 321001321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231001230.

It is a congruent number.

It is an unprimeable number.

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, 115834 + ... + 126013.

It is an arithmetic number, because the mean of its divisors is an integer number (138760290).

Almost surely, 2^1231001230 is an apocalyptic number.

1231001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231001230 is a deficient number, since it is larger than the sum of its proper divisors (989163410).

1231001230 is a wasteful number, since it uses less digits than its factorization.

1231001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242363.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1231001230 is about 35085.6271142472. The cubic root of 1231001230 is about 1071.7319114783.

Adding to 1231001230 its reverse (321001321), we get a palindrome (1552002551).

Subtracting from 1231001230 its reverse (321001321), we obtain a palindrome (909999909).

The spelling of 1231001230 in words is "one billion, two hundred thirty-one million, one thousand, two hundred thirty".