2026123521 has 16 divisors (see below), whose sum is σ = 2858664960. Its totient is φ = 1273820240.

The previous prime is 2026123481. The next prime is 2026123531. The reversal of 2026123521 is 1253216202.

It is a cyclic number.

It is not a de Polignac number, because 2026123521 - 2²¹ = 2024026369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2026123491 and 2026123500.

It is not an unprimeable number, because it can be changed into a prime (2026123531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201891 + ... + 211688.

It is an arithmetic number, because the mean of its divisors is an integer number (178666560).

Almost surely, 2^2026123521 is an apocalyptic number.

It is an amenable number.

2026123521 is a deficient number, since it is larger than the sum of its proper divisors (832541439).

2026123521 is a wasteful number, since it uses less digits than its factorization.

2026123521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413676.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2026123521 is about 45012.4818355976. The cubic root of 2026123521 is about 1265.3829335359.

Adding to 2026123521 its reverse (1253216202), we get a palindrome (3279339723).

The spelling of 2026123521 in words is "two billion, twenty-six million, one hundred twenty-three thousand, five hundred twenty-one".