126044101 has 4 divisors (see below), whose sum is σ = 126078732. Its totient is φ = 126009472.

The previous prime is 126044057. The next prime is 126044111. The reversal of 126044101 is 101440621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101440621 = 61 ⋅1662961.

It can be written as a sum of positive squares in 2 ways, for example, as 94672900 + 31371201 = 9730^2 + 5601^2 .

It is a cyclic number.

It is not a de Polignac number, because 126044101 - 2¹⁹ = 125519813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126044111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11116 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (31519683).

Almost surely, 2^126044101 is an apocalyptic number.

It is an amenable number.

126044101 is a deficient number, since it is larger than the sum of its proper divisors (34631).

126044101 is an equidigital number, since it uses as much as digits as its factorization.

126044101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34630.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 126044101 is about 11226.9364031333. The cubic root of 126044101 is about 501.3882764760.

Adding to 126044101 its reverse (101440621), we get a palindrome (227484722).

The spelling of 126044101 in words is "one hundred twenty-six million, forty-four thousand, one hundred one".