127545402442 has 16 divisors (see below), whose sum is σ = 201575930400. Its totient is φ = 60359707440.

The previous prime is 127545402437. The next prime is 127545402473. The reversal of 127545402442 is 244204545721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127545402395 and 127545402404.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1529284 + ... + 1610527.

It is an arithmetic number, because the mean of its divisors is an integer number (12598495650).

Almost surely, 2^127545402442 is an apocalyptic number.

127545402442 is a deficient number, since it is larger than the sum of its proper divisors (74030527958).

127545402442 is a wasteful number, since it uses less digits than its factorization.

127545402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140901.

The product of its (nonzero) digits is 358400, while the sum is 40.

The spelling of 127545402442 in words is "one hundred twenty-seven billion, five hundred forty-five million, four hundred two thousand, four hundred forty-two".