1230243045 has 8 divisors (see below), whose sum is σ = 1968388896. Its totient is φ = 656129616.

The previous prime is 1230243041. The next prime is 1230243061. The reversal of 1230243045 is 5403420321.

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

It is not a de Polignac number, because 1230243045 - 2² = 1230243041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230243041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41008087 + ... + 41008116.

It is an arithmetic number, because the mean of its divisors is an integer number (246048612).

Almost surely, 2^1230243045 is an apocalyptic number.

1230243045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230243045 is a deficient number, since it is larger than the sum of its proper divisors (738145851).

1230243045 is an equidigital number, since it uses as much as digits as its factorization.

1230243045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82016211.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1230243045 is about 35074.8206695344. The cubic root of 1230243045 is about 1071.5118364369.

Adding to 1230243045 its reverse (5403420321), we get a palindrome (6633663366).

The spelling of 1230243045 in words is "one billion, two hundred thirty million, two hundred forty-three thousand, forty-five".