126041137203 has 4 divisors (see below), whose sum is σ = 168054849608. Its totient is φ = 84027424800.

The previous prime is 126041137141. The next prime is 126041137213. The reversal of 126041137203 is 302731140621.

It is a happy number.

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

It is not a de Polignac number, because 126041137203 - 2⁹ = 126041136691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126041137213) 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, 21006856198 + ... + 21006856203.

It is an arithmetic number, because the mean of its divisors is an integer number (42013712402).

Almost surely, 2^126041137203 is an apocalyptic number.

126041137203 is a deficient number, since it is larger than the sum of its proper divisors (42013712405).

126041137203 is an equidigital number, since it uses as much as digits as its factorization.

126041137203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42013712404.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 126041137203 its reverse (302731140621), we get a palindrome (428772277824).

The spelling of 126041137203 in words is "one hundred twenty-six billion, forty-one million, one hundred thirty-seven thousand, two hundred three".