1234024021 has 2 divisors, whose sum is σ = 1234024022. Its totient is φ = 1234024020.

The previous prime is 1234024013. The next prime is 1234024049. The reversal of 1234024021 is 1204204321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 827195121 + 406828900 = 28761^2 + 20170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234024021 - 2³ = 1234024013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1234024021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234024921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617012010 + 617012011.

It is an arithmetic number, because the mean of its divisors is an integer number (617012011).

Almost surely, 2^1234024021 is an apocalyptic number.

It is an amenable number.

1234024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234024021 is an equidigital number, since it uses as much as digits as its factorization.

1234024021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1234024021 is about 35128.6780423061. The cubic root of 1234024021 is about 1072.6084265782.

Adding to 1234024021 its reverse (1204204321), we get a palindrome (2438228342).

The spelling of 1234024021 in words is "one billion, two hundred thirty-four million, twenty-four thousand, twenty-one".