4123126044 has 48 divisors (see below), whose sum is σ = 10731252000. Its totient is φ = 1369018368.

The previous prime is 4123126031. The next prime is 4123126057. The reversal of 4123126044 is 4406213214.

It is a happy number.

4123126044 is a `hidden beast` number, since 41 + 2 + 3 + 12 + 604 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4123126031) and next prime (4123126057).

It is a super-2 number, since 2×4123126044² = 34000336749422179872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4123125999 and 4123126017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46519 + ... + 102030.

It is an arithmetic number, because the mean of its divisors is an integer number (223567750).

Almost surely, 2^4123126044 is an apocalyptic number.

It is an amenable number.

4123126044 is an abundant number, since it is smaller than the sum of its proper divisors (6608125956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123126044 is a wasteful number, since it uses less digits than its factorization.

4123126044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148819 (or 148811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4123126044 is about 64211.5725083882. The cubic root of 4123126044 is about 1603.5242684868.

Adding to 4123126044 its reverse (4406213214), we get a palindrome (8529339258).

The spelling of 4123126044 in words is "four billion, one hundred twenty-three million, one hundred twenty-six thousand, forty-four".