126544441 has 4 divisors (see below), whose sum is σ = 128433232. Its totient is φ = 124655652.

The previous prime is 126544433. The next prime is 126544463. The reversal of 126544441 is 144445621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126544441 - 2³ = 126544433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126544471) 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, 944295 + ... + 944428.

It is an arithmetic number, because the mean of its divisors is an integer number (32108308).

Almost surely, 2^126544441 is an apocalyptic number.

It is an amenable number.

126544441 is a deficient number, since it is larger than the sum of its proper divisors (1888791).

126544441 is an equidigital number, since it uses as much as digits as its factorization.

126544441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888790.

The product of its digits is 15360, while the sum is 31.

The square root of 126544441 is about 11249.1973491445. The cubic root of 126544441 is about 502.0508313474.

The spelling of 126544441 in words is "one hundred twenty-six million, five hundred forty-four thousand, four hundred forty-one".