1234035421 has 2 divisors, whose sum is σ = 1234035422. Its totient is φ = 1234035420.

The previous prime is 1234035409. The next prime is 1234035449. The reversal of 1234035421 is 1245304321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1233063225 + 972196 = 35115^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234035421 - 2⁷ = 1234035293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234035401) 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 as a sum of consecutive naturals, namely, 617017710 + 617017711.

It is an arithmetic number, because the mean of its divisors is an integer number (617017711).

Almost surely, 2^1234035421 is an apocalyptic number.

It is an amenable number.

1234035421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234035421 is an equidigital number, since it uses as much as digits as its factorization.

1234035421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1234035421 is about 35128.8403025207. The cubic root of 1234035421 is about 1072.6117295119.

Adding to 1234035421 its reverse (1245304321), we get a palindrome (2479339742).

The spelling of 1234035421 in words is "one billion, two hundred thirty-four million, thirty-five thousand, four hundred twenty-one".