126436325052 has 24 divisors (see below), whose sum is σ = 307844966016. Its totient is φ = 40313031088.

The previous prime is 126436325051. The next prime is 126436325077. The reversal of 126436325052 is 250523634621.

It is a super-2 number, since 2×126436325052² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126436325052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126436325051) 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 7 ways as a sum of consecutive naturals, for example, 229051038 + ... + 229051589.

It is an arithmetic number, because the mean of its divisors is an integer number (12826873584).

Almost surely, 2^126436325052 is an apocalyptic number.

126436325052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126436325052 is an abundant number, since it is smaller than the sum of its proper divisors (181408640964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126436325052 is a wasteful number, since it uses less digits than its factorization.

126436325052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458102657 (or 458102655 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 126436325052 its reverse (250523634621), we get a palindrome (376959959673).

The spelling of 126436325052 in words is "one hundred twenty-six billion, four hundred thirty-six million, three hundred twenty-five thousand, fifty-two".