1021026053 has 2 divisors, whose sum is σ = 1021026054. Its totient is φ = 1021026052.

The previous prime is 1021026037. The next prime is 1021026109. The reversal of 1021026053 is 3506201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902281444 + 118744609 = 30038^2 + 10897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021026053 - 2⁴ = 1021026037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021025053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510513026 + 510513027.

It is an arithmetic number, because the mean of its divisors is an integer number (510513027).

Almost surely, 2^1021026053 is an apocalyptic number.

It is an amenable number.

1021026053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021026053 is an equidigital number, since it uses as much as digits as its factorization.

1021026053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1021026053 is about 31953.4982904846. The cubic root of 1021026053 is about 1006.9601285531.

Adding to 1021026053 its reverse (3506201201), we get a palindrome (4527227254).

It can be divided in two parts, 10210 and 26053, that added together give a palindrome (36263).

The spelling of 1021026053 in words is "one billion, twenty-one million, twenty-six thousand, fifty-three".