42025124 has 6 divisors (see below), whose sum is σ = 73543974. Its totient is φ = 21012560.

The previous prime is 42025111. The next prime is 42025127. The reversal of 42025124 is 42152024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 937024 = 6410^2 + 968^2 .

It is a super-2 number, since 2×42025124² = 3532222094430752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42025096 and 42025105.

It is not an unprimeable number, because it can be changed into a prime (42025127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253137 + ... + 5253144.

It is an arithmetic number, because the mean of its divisors is an integer number (12257329).

Almost surely, 2^42025124 is an apocalyptic number.

It is an amenable number.

42025124 is a deficient number, since it is larger than the sum of its proper divisors (31518850).

42025124 is a wasteful number, since it uses less digits than its factorization.

42025124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506285 (or 10506283 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42025124 is about 6482.6787672998. The cubic root of 42025124 is about 347.6719615407.

Adding to 42025124 its reverse (42152024), we get a palindrome (84177148).

The spelling of 42025124 in words is "forty-two million, twenty-five thousand, one hundred twenty-four".