42125422 has 16 divisors (see below), whose sum is σ = 67087440. Its totient is φ = 19769728.

The previous prime is 42125393. The next prime is 42125431. The reversal of 42125422 is 22452124.

It is a junction number, because it is equal to n+sod(n) for n = 42125393 and 42125402.

It is a congruent number.

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, 12768 + ... + 15724.

It is an arithmetic number, because the mean of its divisors is an integer number (4192965).

Almost surely, 2^42125422 is an apocalyptic number.

42125422 is a deficient number, since it is larger than the sum of its proper divisors (24962018).

42125422 is a wasteful number, since it uses less digits than its factorization.

42125422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its digits is 1280, while the sum is 22.

The square root of 42125422 is about 6490.4100024575. The cubic root of 42125422 is about 347.9483287443.

Adding to 42125422 its reverse (22452124), we get a palindrome (64577546).

The spelling of 42125422 in words is "forty-two million, one hundred twenty-five thousand, four hundred twenty-two".