127615405042 has 8 divisors (see below), whose sum is σ = 191754865116. Its totient is φ = 63697116672.

The previous prime is 127615404989. The next prime is 127615405067. The reversal of 127615405042 is 240504516721.

It can be written as a sum of positive squares in 2 ways, for example, as 107545299481 + 20070105561 = 327941^2 + 141669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 127615404992 and 127615405010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55291483 + ... + 55293790.

Almost surely, 2^127615405042 is an apocalyptic number.

127615405042 is a deficient number, since it is larger than the sum of its proper divisors (64139460074).

127615405042 is a wasteful number, since it uses less digits than its factorization.

127615405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110585852.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 127615405042 in words is "one hundred twenty-seven billion, six hundred fifteen million, four hundred five thousand, forty-two".