1230144421 has 8 divisors (see below), whose sum is σ = 1342677600. Its totient is φ = 1117728240.

The previous prime is 1230144413. The next prime is 1230144427. The reversal of 1230144421 is 1244410321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1230144421 - 2³ = 1230144413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230144392 and 1230144401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230144427) 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, 6486 + ... + 50023.

It is an arithmetic number, because the mean of its divisors is an integer number (167834700).

Almost surely, 2^1230144421 is an apocalyptic number.

1230144421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230144421 is a deficient number, since it is larger than the sum of its proper divisors (112533179).

1230144421 is a wasteful number, since it uses less digits than its factorization.

1230144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58499.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1230144421 is about 35073.4147325293. The cubic root of 1230144421 is about 1071.4832026349.

Adding to 1230144421 its reverse (1244410321), we get a palindrome (2474554742).

The spelling of 1230144421 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, four hundred twenty-one".