127258424304661 has 16 divisors (see below), whose sum is σ = 138700639312704. Its totient is φ = 116052406614144.

The previous prime is 127258424304577. The next prime is 127258424304703. The reversal of 127258424304661 is 166403424852721.

It is not a de Polignac number, because 127258424304661 - 2⁹ = 127258424304149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127258424302661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80473185 + ... + 82039321.

It is an arithmetic number, because the mean of its divisors is an integer number (8668789957044).

Almost surely, 2^{127258424304661} is an apocalyptic number.

It is an amenable number.

127258424304661 is a deficient number, since it is larger than the sum of its proper divisors (11442215008043).

127258424304661 is a wasteful number, since it uses less digits than its factorization.

127258424304661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641540.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 127258424304661 in words is "one hundred twenty-seven trillion, two hundred fifty-eight billion, four hundred twenty-four million, three hundred four thousand, six hundred sixty-one".