1232021029 has 2 divisors, whose sum is σ = 1232021030. Its totient is φ = 1232021028.

The previous prime is 1232021023. The next prime is 1232021069. The reversal of 1232021029 is 9201202321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730350625 + 501670404 = 27025^2 + 22398^2 .

It is an emirp because it is prime and its reverse (9201202321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232021029 - 2⁵ = 1232020997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616010514 + 616010515.

It is an arithmetic number, because the mean of its divisors is an integer number (616010515).

Almost surely, 2^1232021029 is an apocalyptic number.

It is an amenable number.

1232021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232021029 is an equidigital number, since it uses as much as digits as its factorization.

1232021029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1232021029 is about 35100.1571079105. The cubic root of 1232021029 is about 1072.0277816021.

The spelling of 1232021029 in words is "one billion, two hundred thirty-two million, twenty-one thousand, twenty-nine".