1020427853 has 2 divisors, whose sum is σ = 1020427854. Its totient is φ = 1020427852.

The previous prime is 1020427831. The next prime is 1020427897. The reversal of 1020427853 is 3587240201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690533284 + 329894569 = 26278^2 + 18163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020427853 - 2⁶ = 1020427789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020427823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510213926 + 510213927.

It is an arithmetic number, because the mean of its divisors is an integer number (510213927).

Almost surely, 2^1020427853 is an apocalyptic number.

It is an amenable number.

1020427853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020427853 is an equidigital number, since it uses as much as digits as its factorization.

1020427853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1020427853 is about 31944.1364416069. The cubic root of 1020427853 is about 1006.7634371225.

The spelling of 1020427853 in words is "one billion, twenty million, four hundred twenty-seven thousand, eight hundred fifty-three".