127642441254 has 32 divisors (see below), whose sum is σ = 259092860544. Its totient is φ = 41915723520.

The previous prime is 127642441253. The next prime is 127642441259. The reversal of 127642441254 is 452144246721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127642441253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187252 + ... + 538839.

It is an arithmetic number, because the mean of its divisors is an integer number (8096651892).

Almost surely, 2^127642441254 is an apocalyptic number.

127642441254 is an abundant number, since it is smaller than the sum of its proper divisors (131450419290).

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

127642441254 is a wasteful number, since it uses less digits than its factorization.

127642441254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726532.

The product of its digits is 430080, while the sum is 42.

Adding to 127642441254 its reverse (452144246721), we get a palindrome (579786687975).

The spelling of 127642441254 in words is "one hundred twenty-seven billion, six hundred forty-two million, four hundred forty-one thousand, two hundred fifty-four".