4251123 has 20 divisors (see below), whose sum is σ = 6559168. Its totient is φ = 2741040.

The previous prime is 4251073. The next prime is 4251131. The reversal of 4251123 is 3211524.

It is not a de Polignac number, because 4251123 - 2⁹ = 4250611 is a prime.

It is a super-2 number, since 2×4251123² = 36144093522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4251096 and 4251105.

It is not an unprimeable number, because it can be changed into a prime (4251223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1665 + ... + 3357.

Almost surely, 2^4251123 is an apocalyptic number.

4251123 is a deficient number, since it is larger than the sum of its proper divisors (2308045).

4251123 is a wasteful number, since it uses less digits than its factorization.

4251123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1727 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4251123 is about 2061.8251623258. The cubic root of 4251123 is about 161.9948558037.

Adding to 4251123 its reverse (3211524), we get a palindrome (7462647).

The spelling of 4251123 in words is "four million, two hundred fifty-one thousand, one hundred twenty-three".