1022544121 has 2 divisors, whose sum is σ = 1022544122. Its totient is φ = 1022544120.

The previous prime is 1022544113. The next prime is 1022544167. The reversal of 1022544121 is 1214452201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604914025 + 417630096 = 24595^2 + 20436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022544121 - 2³ = 1022544113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022544092 and 1022544101.

It is not a weakly prime, because it can be changed into another prime (1022544181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511272060 + 511272061.

It is an arithmetic number, because the mean of its divisors is an integer number (511272061).

Almost surely, 2^1022544121 is an apocalyptic number.

It is an amenable number.

1022544121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022544121 is an equidigital number, since it uses as much as digits as its factorization.

1022544121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1022544121 is about 31977.2437993020. The cubic root of 1022544121 is about 1007.4589329910.

Adding to 1022544121 its reverse (1214452201), we get a palindrome (2236996322).

The spelling of 1022544121 in words is "one billion, twenty-two million, five hundred forty-four thousand, one hundred twenty-one".