1230033140 has 24 divisors (see below), whose sum is σ = 2952079872. Its totient is φ = 421725600.

The previous prime is 1230033139. The next prime is 1230033149. The reversal of 1230033140 is 413300321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230033149) 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, 4392836 + ... + 4393115.

It is an arithmetic number, because the mean of its divisors is an integer number (123003328).

Almost surely, 2^1230033140 is an apocalyptic number.

1230033140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230033140 is an abundant number, since it is smaller than the sum of its proper divisors (1722046732).

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

1230033140 is a wasteful number, since it uses less digits than its factorization.

1230033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785967 (or 8785965 counting only the distinct ones).

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

The square root of 1230033140 is about 35071.8282956563. The cubic root of 1230033140 is about 1071.4508922503.

Adding to 1230033140 its reverse (413300321), we get a palindrome (1643333461).

The spelling of 1230033140 in words is "one billion, two hundred thirty million, thirty-three thousand, one hundred forty".