127423042 has 16 divisors (see below), whose sum is σ = 203072760. Its totient is φ = 59851008.

The previous prime is 127423031. The next prime is 127423073. The reversal of 127423042 is 240324721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126360081 + 1062961 = 11241^2 + 1031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127422998 and 127423016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27543 + ... + 31834.

Almost surely, 2^127423042 is an apocalyptic number.

127423042 is a deficient number, since it is larger than the sum of its proper divisors (75649718).

127423042 is a wasteful number, since it uses less digits than its factorization.

127423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59445.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 127423042 is about 11288.1815187390. The cubic root of 127423042 is about 503.2100694702.

Adding to 127423042 its reverse (240324721), we get a palindrome (367747763).

The spelling of 127423042 in words is "one hundred twenty-seven million, four hundred twenty-three thousand, forty-two".