1026105023 has 4 divisors (see below), whose sum is σ = 1086464160. Its totient is φ = 965745888.

The previous prime is 1026105019. The next prime is 1026105029. The reversal of 1026105023 is 3205016201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3205016201 = 1583 ⋅2024647.

It is a cyclic number.

It is not a de Polignac number, because 1026105023 - 2² = 1026105019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026104986 and 1026105004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026105029) 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 in 3 ways as a sum of consecutive naturals, for example, 30179543 + ... + 30179576.

It is an arithmetic number, because the mean of its divisors is an integer number (271616040).

Almost surely, 2^1026105023 is an apocalyptic number.

1026105023 is a deficient number, since it is larger than the sum of its proper divisors (60359137).

1026105023 is an equidigital number, since it uses as much as digits as its factorization.

1026105023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60359136.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1026105023 is about 32032.8740983384. The cubic root of 1026105023 is about 1008.6270345832.

The spelling of 1026105023 in words is "one billion, twenty-six million, one hundred five thousand, twenty-three".