126343454253 has 16 divisors (see below), whose sum is σ = 177724462080. Its totient is φ = 79615723824.

The previous prime is 126343454243. The next prime is 126343454257. The reversal of 126343454253 is 352454343621.

It is not a de Polignac number, because 126343454253 - 2⁸ = 126343453997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126343454257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2476501 + ... + 2527002.

It is an arithmetic number, because the mean of its divisors is an integer number (11107778880).

Almost surely, 2^126343454253 is an apocalyptic number.

It is an amenable number.

126343454253 is a deficient number, since it is larger than the sum of its proper divisors (51381007827).

126343454253 is a wasteful number, since it uses less digits than its factorization.

126343454253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003968.

The product of its digits is 1036800, while the sum is 42.

Adding to 126343454253 its reverse (352454343621), we get a palindrome (478797797874).

The spelling of 126343454253 in words is "one hundred twenty-six billion, three hundred forty-three million, four hundred fifty-four thousand, two hundred fifty-three".