1053128369 has 2 divisors, whose sum is σ = 1053128370. Its totient is φ = 1053128368.

The previous prime is 1053128327. The next prime is 1053128387. The reversal of 1053128369 is 9638213501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 656640625 + 396487744 = 25625^2 + 19912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053128369 - 2⁸ = 1053128113 is a prime.

It is a super-2 number, since 2×1053128369² = 2218158723185200322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053128309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526564184 + 526564185.

It is an arithmetic number, because the mean of its divisors is an integer number (526564185).

Almost surely, 2^1053128369 is an apocalyptic number.

It is an amenable number.

1053128369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053128369 is an equidigital number, since it uses as much as digits as its factorization.

1053128369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1053128369 is about 32451.9393719389. The cubic root of 1053128369 is about 1017.4047727649.

The spelling of 1053128369 in words is "one billion, fifty-three million, one hundred twenty-eight thousand, three hundred sixty-nine".