127155123126 has 48 divisors (see below), whose sum is σ = 278413070208. Its totient is φ = 41937523200.

The previous prime is 127155123089. The next prime is 127155123127. The reversal of 127155123126 is 621321551721.

127155123126 is a `hidden beast` number, since 1 + 2 + 7 + 15 + 512 + 3 + 126 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127155123127) 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, 10157211 + ... + 10169721.

It is an arithmetic number, because the mean of its divisors is an integer number (5800272296).

Almost surely, 2^127155123126 is an apocalyptic number.

127155123126 is an abundant number, since it is smaller than the sum of its proper divisors (151257947082).

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

127155123126 is a wasteful number, since it uses less digits than its factorization.

127155123126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18437 (or 18434 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

Adding to 127155123126 its reverse (621321551721), we get a palindrome (748476674847).

The spelling of 127155123126 in words is "one hundred twenty-seven billion, one hundred fifty-five million, one hundred twenty-three thousand, one hundred twenty-six".