42153125 has 48 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 27600000.

The previous prime is 42153121. The next prime is 42153131. The reversal of 42153125 is 52135124.

It is not a de Polignac number, because 42153125 - 2² = 42153121 is a prime.

42153125 is a Rhonda number in base 10.

Its product of digits (1200) is a multiple of the sum of its prime divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 42153125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 896852 + ... + 896898.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^42153125 is an apocalyptic number.

It is an amenable number.

42153125 is a deficient number, since it is larger than the sum of its proper divisors (20842843).

42153125 is an frugal number, since it uses more digits than its factorization.

42153125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 100 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 42153125 is about 6492.5438003913. The cubic root of 42153125 is about 348.0245859452.

Adding to 42153125 its reverse (52135124), we get a palindrome (94288249).

The spelling of 42153125 in words is "forty-two million, one hundred fifty-three thousand, one hundred twenty-five".