42431127 has 4 divisors (see below), whose sum is σ = 56574840. Its totient is φ = 28287416.

The previous prime is 42431117. The next prime is 42431141. The reversal of 42431127 is 72113424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42431127 - 2⁶ = 42431063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42431097 and 42431106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431117) 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, 7071852 + ... + 7071857.

It is an arithmetic number, because the mean of its divisors is an integer number (14143710).

Almost surely, 2^42431127 is an apocalyptic number.

42431127 is a deficient number, since it is larger than the sum of its proper divisors (14143713).

42431127 is a wasteful number, since it uses less digits than its factorization.

42431127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14143712.

The product of its digits is 1344, while the sum is 24.

The square root of 42431127 is about 6513.9179454457. The cubic root of 42431127 is about 348.7879901062.

The spelling of 42431127 in words is "forty-two million, four hundred thirty-one thousand, one hundred twenty-seven".