126315124122 has 16 divisors (see below), whose sum is σ = 275596634592. Its totient is φ = 38277310320.

The previous prime is 126315124121. The next prime is 126315124127. The reversal of 126315124122 is 221421513621.

It is a self number, because there is not a number n which added to its sum of digits gives 126315124122.

It is not an unprimeable number, because it can be changed into a prime (126315124121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956932693 + ... + 956932824.

It is an arithmetic number, because the mean of its divisors is an integer number (17224789662).

Almost surely, 2^126315124122 is an apocalyptic number.

126315124122 is an abundant number, since it is smaller than the sum of its proper divisors (149281510470).

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

126315124122 is a wasteful number, since it uses less digits than its factorization.

126315124122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913865533.

The product of its digits is 5760, while the sum is 30.

Adding to 126315124122 its reverse (221421513621), we get a palindrome (347736637743).

The spelling of 126315124122 in words is "one hundred twenty-six billion, three hundred fifteen million, one hundred twenty-four thousand, one hundred twenty-two".