1021612441 has 2 divisors, whose sum is σ = 1021612442. Its totient is φ = 1021612440.

The previous prime is 1021612429. The next prime is 1021612451. The reversal of 1021612441 is 1442161201.

1021612441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830592400 + 191020041 = 28820^2 + 13821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021612441 - 2¹³ = 1021604249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021612411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510806220 + 510806221.

It is an arithmetic number, because the mean of its divisors is an integer number (510806221).

Almost surely, 2^1021612441 is an apocalyptic number.

It is an amenable number.

1021612441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021612441 is an equidigital number, since it uses as much as digits as its factorization.

1021612441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1021612441 is about 31962.6726197920. The cubic root of 1021612441 is about 1007.1528615829.

Adding to 1021612441 its reverse (1442161201), we get a palindrome (2463773642).

The spelling of 1021612441 in words is "one billion, twenty-one million, six hundred twelve thousand, four hundred forty-one".