1234030421 has 4 divisors (see below), whose sum is σ = 1328955852. Its totient is φ = 1139104992.

The previous prime is 1234030403. The next prime is 1234030439. The reversal of 1234030421 is 1240304321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240304321 = 1759 ⋅705119.

It is an interprime number because it is at equal distance from previous prime (1234030403) and next prime (1234030439).

It can be written as a sum of positive squares in 2 ways, for example, as 354907921 + 879122500 = 18839^2 + 29650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234030421 - 2¹⁰ = 1234029397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234030393 and 1234030402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234030621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47462696 + ... + 47462721.

It is an arithmetic number, because the mean of its divisors is an integer number (332238963).

Almost surely, 2^1234030421 is an apocalyptic number.

It is an amenable number.

1234030421 is a deficient number, since it is larger than the sum of its proper divisors (94925431).

1234030421 is an equidigital number, since it uses as much as digits as its factorization.

1234030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94925430.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1234030421 is about 35128.7691358522. The cubic root of 1234030421 is about 1072.6102808593.

Adding to 1234030421 its reverse (1240304321), we get a palindrome (2474334742).

The spelling of 1234030421 in words is "one billion, two hundred thirty-four million, thirty thousand, four hundred twenty-one".