1020538807 has 2 divisors, whose sum is σ = 1020538808. Its totient is φ = 1020538806.

The previous prime is 1020538801. The next prime is 1020538861. The reversal of 1020538807 is 7088350201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020538807 - 2¹⁹ = 1020014519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020538801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510269403 + 510269404.

It is an arithmetic number, because the mean of its divisors is an integer number (510269404).

Almost surely, 2^1020538807 is an apocalyptic number.

1020538807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020538807 is an equidigital number, since it uses as much as digits as its factorization.

1020538807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1020538807 is about 31945.8730824499. The cubic root of 1020538807 is about 1006.7999252099.

The spelling of 1020538807 in words is "one billion, twenty million, five hundred thirty-eight thousand, eight hundred seven".