2021234125 has 32 divisors (see below), whose sum is σ = 2676989952. Its totient is φ = 1518393600.

The previous prime is 2021234093. The next prime is 2021234143. The reversal of 2021234125 is 5214321202.

It is a happy number.

It is not a de Polignac number, because 2021234125 - 2⁵ = 2021234093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021234096 and 2021234105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1289092 + ... + 1290658.

It is an arithmetic number, because the mean of its divisors is an integer number (83655936).

Almost surely, 2^2021234125 is an apocalyptic number.

2021234125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021234125 is a deficient number, since it is larger than the sum of its proper divisors (655755827).

2021234125 is a wasteful number, since it uses less digits than its factorization.

2021234125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2021234125 is about 44958.1374725422. The cubic root of 2021234125 is about 1264.3642490685.

Adding to 2021234125 its reverse (5214321202), we get a palindrome (7235555327).

The spelling of 2021234125 in words is "two billion, twenty-one million, two hundred thirty-four thousand, one hundred twenty-five".