1020642422053 has 2 divisors, whose sum is σ = 1020642422054. Its totient is φ = 1020642422052.

The previous prime is 1020642422003. The next prime is 1020642422057. The reversal of 1020642422053 is 3502242460201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732765104289 + 287877317764 = 856017^2 + 536542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020642422053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020642422057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510321211026 + 510321211027.

It is an arithmetic number, because the mean of its divisors is an integer number (510321211027).

Almost surely, 2^{1020642422053} is an apocalyptic number.

It is an amenable number.

1020642422053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020642422053 is an equidigital number, since it uses as much as digits as its factorization.

1020642422053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1020642422053 its reverse (3502242460201), we get a palindrome (4522884882254).

The spelling of 1020642422053 in words is "one trillion, twenty billion, six hundred forty-two million, four hundred twenty-two thousand, fifty-three".