1020125200531 has 2 divisors, whose sum is σ = 1020125200532. Its totient is φ = 1020125200530.

The previous prime is 1020125200517. The next prime is 1020125200607. The reversal of 1020125200531 is 1350025210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020125200531 - 2⁷ = 1020125200403 is a prime.

It is a super-2 number, since 2×1020125200531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020125207531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510062600265 + 510062600266.

It is an arithmetic number, because the mean of its divisors is an integer number (510062600266).

Almost surely, 2^{1020125200531} is an apocalyptic number.

1020125200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020125200531 is an equidigital number, since it uses as much as digits as its factorization.

1020125200531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 1020125200531 in words is "one trillion, twenty billion, one hundred twenty-five million, two hundred thousand, five hundred thirty-one".