127042424 has 8 divisors (see below), whose sum is σ = 238204560. Its totient is φ = 63521208.

The previous prime is 127042393. The next prime is 127042451. The reversal of 127042424 is 424240721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127042424² = 32279554991591552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127042393 and 127042402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940144 + ... + 7940159.

It is an arithmetic number, because the mean of its divisors is an integer number (29775570).

Almost surely, 2^127042424 is an apocalyptic number.

It is an amenable number.

127042424 is a deficient number, since it is larger than the sum of its proper divisors (111162136).

127042424 is a wasteful number, since it uses less digits than its factorization.

127042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880309 (or 15880305 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 127042424 is about 11271.3097730477. The cubic root of 127042424 is about 502.7085332022.

The spelling of 127042424 in words is "one hundred twenty-seven million, forty-two thousand, four hundred twenty-four".