126443201 has 4 divisors (see below), whose sum is σ = 126532032. Its totient is φ = 126354372.

The previous prime is 126443197. The next prime is 126443231. The reversal of 126443201 is 102344621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102344621 = 19 ⋅5386559.

It is a cyclic number.

It is not a de Polignac number, because 126443201 - 2² = 126443197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126443231) 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, 42245 + ... + 45138.

It is an arithmetic number, because the mean of its divisors is an integer number (31633008).

Almost surely, 2^126443201 is an apocalyptic number.

It is an amenable number.

126443201 is a deficient number, since it is larger than the sum of its proper divisors (88831).

126443201 is an equidigital number, since it uses as much as digits as its factorization.

126443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88830.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 126443201 is about 11244.6965721624. The cubic root of 126443201 is about 501.9169095241.

Adding to 126443201 its reverse (102344621), we get a palindrome (228787822).

The spelling of 126443201 in words is "one hundred twenty-six million, four hundred forty-three thousand, two hundred one".