127542684507 has 24 divisors (see below), whose sum is σ = 203168200704. Its totient is φ = 69712765584.

The previous prime is 127542684469. The next prime is 127542684623. The reversal of 127542684507 is 705486245721.

It is not a de Polignac number, because 127542684507 - 2²³ = 127534295899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127542684507.

It is not an unprimeable number, because it can be changed into a prime (127542683507) 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, 5729403 + ... + 5751620.

It is an arithmetic number, because the mean of its divisors is an integer number (8465341696).

Almost surely, 2^127542684507 is an apocalyptic number.

127542684507 is a deficient number, since it is larger than the sum of its proper divisors (75625516197).

127542684507 is a wasteful number, since it uses less digits than its factorization.

127542684507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481079 (or 11481056 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 127542684507 in words is "one hundred twenty-seven billion, five hundred forty-two million, six hundred eighty-four thousand, five hundred seven".