42127641 has 16 divisors (see below), whose sum is σ = 62830720. Its totient is φ = 27896400.

The previous prime is 42127639. The next prime is 42127699. The reversal of 42127641 is 14672124.

42127641 is a `hidden beast` number, since 4 + 2 + 12 + 7 + 641 = 666.

It is not a de Polignac number, because 42127641 - 2¹ = 42127639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42127741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (3926920).

Almost surely, 2^42127641 is an apocalyptic number.

It is an amenable number.

42127641 is a deficient number, since it is larger than the sum of its proper divisors (20703079).

42127641 is a wasteful number, since it uses less digits than its factorization.

42127641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493 (or 10487 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 42127641 is about 6490.5809447229. The cubic root of 42127641 is about 347.9544381492.

Adding to 42127641 its reverse (14672124), we get a palindrome (56799765).

The spelling of 42127641 in words is "forty-two million, one hundred twenty-seven thousand, six hundred forty-one".