127343642 has 8 divisors (see below), whose sum is σ = 192232596. Its totient is φ = 63266112.

The previous prime is 127343639. The next prime is 127343647. The reversal of 127343642 is 246343721.

It can be written as a sum of positive squares in 2 ways, for example, as 126585001 + 758641 = 11251^2 + 871^2 .

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 = 127343599 and 127343608.

It is not an unprimeable number, because it can be changed into a prime (127343647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202463 + ... + 203090.

Almost surely, 2^127343642 is an apocalyptic number.

127343642 is a deficient number, since it is larger than the sum of its proper divisors (64888954).

127343642 is a wasteful number, since it uses less digits than its factorization.

127343642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405712.

The product of its digits is 24192, while the sum is 32.

The square root of 127343642 is about 11284.6640180379. The cubic root of 127343642 is about 503.1055274642.

The spelling of 127343642 in words is "one hundred twenty-seven million, three hundred forty-three thousand, six hundred forty-two".