1230133040 has 80 divisors (see below), whose sum is σ = 2910751200. Its totient is φ = 483403776.

The previous prime is 1230133013. The next prime is 1230133063. The reversal of 1230133040 is 403310321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1520156 + ... + 1520964.

It is an arithmetic number, because the mean of its divisors is an integer number (36384390).

Almost surely, 2^1230133040 is an apocalyptic number.

1230133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230133040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455375600).

1230133040 is an abundant number, since it is smaller than the sum of its proper divisors (1680618160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230133040 is a wasteful number, since it uses less digits than its factorization.

1230133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1230133040 is about 35073.2524867598. The cubic root of 1230133040 is about 1071.4798982565.

Adding to 1230133040 its reverse (403310321), we get a palindrome (1633443361).

The spelling of 1230133040 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand, forty".