1020112001873 has 2 divisors, whose sum is σ = 1020112001874. Its totient is φ = 1020112001872.

The previous prime is 1020112001851. The next prime is 1020112001893. The reversal of 1020112001873 is 3781002110201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633405873424 + 386706128449 = 795868^2 + 621857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020112001873 - 2⁸ = 1020112001617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020112001893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056000936 + 510056000937.

It is an arithmetic number, because the mean of its divisors is an integer number (510056000937).

Almost surely, 2^{1020112001873} is an apocalyptic number.

It is an amenable number.

1020112001873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020112001873 is an equidigital number, since it uses as much as digits as its factorization.

1020112001873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 1020112001873 in words is "one trillion, twenty billion, one hundred twelve million, one thousand, eight hundred seventy-three".