1230243387 has 8 divisors (see below), whose sum is σ = 1643979600. Its totient is φ = 818334720.

The previous prime is 1230243353. The next prime is 1230243439. The reversal of 1230243387 is 7833420321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1230243387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230244387) 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, 455314 + ... + 458007.

It is an arithmetic number, because the mean of its divisors is an integer number (205497450).

Almost surely, 2^1230243387 is an apocalyptic number.

1230243387 is a deficient number, since it is larger than the sum of its proper divisors (413736213).

1230243387 is an equidigital number, since it uses as much as digits as its factorization.

1230243387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913773.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1230243387 is about 35074.8255448263. The cubic root of 1230243387 is about 1071.5119357281.

The spelling of 1230243387 in words is "one billion, two hundred thirty million, two hundred forty-three thousand, three hundred eighty-seven".