126134421165052 has 24 divisors (see below), whose sum is σ = 220864218089760. Its totient is φ = 63030362324160.

The previous prime is 126134421165041. The next prime is 126134421165083. The reversal of 126134421165052 is 250561124431621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148693449 + ... + 149539327.

It is an arithmetic number, because the mean of its divisors is an integer number (9202675753740).

Almost surely, 2^{126134421165052} is an apocalyptic number.

It is an amenable number.

126134421165052 is a deficient number, since it is larger than the sum of its proper divisors (94729796924708).

126134421165052 is a wasteful number, since it uses less digits than its factorization.

126134421165052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867621 (or 867619 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 126134421165052 its reverse (250561124431621), we get a palindrome (376695545596673).

The spelling of 126134421165052 in words is "one hundred twenty-six trillion, one hundred thirty-four billion, four hundred twenty-one million, one hundred sixty-five thousand, fifty-two".