126043201 has 4 divisors (see below), whose sum is σ = 129449812. Its totient is φ = 122636592.

The previous prime is 126043199. The next prime is 126043213. The reversal of 126043201 is 102340621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114490000 + 11553201 = 10700^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 126043201 - 2¹ = 126043199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126043231) 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, 1703250 + ... + 1703323.

It is an arithmetic number, because the mean of its divisors is an integer number (32362453).

Almost surely, 2^126043201 is an apocalyptic number.

It is an amenable number.

126043201 is a deficient number, since it is larger than the sum of its proper divisors (3406611).

126043201 is an equidigital number, since it uses as much as digits as its factorization.

126043201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406610.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 126043201 is about 11226.8963208894. The cubic root of 126043201 is about 501.3870831092.

Adding to 126043201 its reverse (102340621), we get a palindrome (228383822).

The spelling of 126043201 in words is "one hundred twenty-six million, forty-three thousand, two hundred one".