1020123011087 has 2 divisors, whose sum is σ = 1020123011088. Its totient is φ = 1020123011086.

The previous prime is 1020123011071. The next prime is 1020123011203. The reversal of 1020123011087 is 7801103210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020123011087 - 2⁴ = 1020123011071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020123010087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510061505543 + 510061505544.

It is an arithmetic number, because the mean of its divisors is an integer number (510061505544).

Almost surely, 2^{1020123011087} is an apocalyptic number.

1020123011087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020123011087 is an equidigital number, since it uses as much as digits as its factorization.

1020123011087 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.

Adding to 1020123011087 its reverse (7801103210201), we get a palindrome (8821226221288).

The spelling of 1020123011087 in words is "one trillion, twenty billion, one hundred twenty-three million, eleven thousand, eighty-seven".