126343436325 has 24 divisors (see below), whose sum is σ = 212428293600. Its totient is φ = 66241076160.

The previous prime is 126343436321. The next prime is 126343436327. The reversal of 126343436325 is 523634343621.

It is not a de Polignac number, because 126343436325 - 2² = 126343436321 is a prime.

It is a super-3 number, since 3×126343436325³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126343436321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14271670 + ... + 14280519.

It is an arithmetic number, because the mean of its divisors is an integer number (8851178900).

Almost surely, 2^126343436325 is an apocalyptic number.

126343436325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126343436325 is a deficient number, since it is larger than the sum of its proper divisors (86084857275).

126343436325 is a wasteful number, since it uses less digits than its factorization.

126343436325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28552261 (or 28552256 counting only the distinct ones).

The product of its digits is 933120, while the sum is 42.

Adding to 126343436325 its reverse (523634343621), we get a palindrome (649977779946).

The spelling of 126343436325 in words is "one hundred twenty-six billion, three hundred forty-three million, four hundred thirty-six thousand, three hundred twenty-five".