142125125 has 8 divisors (see below), whose sum is σ = 177372312. Its totient is φ = 113700000.

The previous prime is 142125077. The next prime is 142125127. The reversal of 142125125 is 521521241.

It can be written as a sum of positive squares in 4 ways, for example, as 14884 + 142110241 = 122^2 + 11921^2 .

It is not a de Polignac number, because 142125125 - 2²⁴ = 125347909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142125125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142125127) 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 7 ways as a sum of consecutive naturals, for example, 568376 + ... + 568625.

It is an arithmetic number, because the mean of its divisors is an integer number (22171539).

Almost surely, 2^142125125 is an apocalyptic number.

It is an amenable number.

142125125 is a deficient number, since it is larger than the sum of its proper divisors (35247187).

142125125 is an equidigital number, since it uses as much as digits as its factorization.

142125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137016 (or 1137006 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 142125125 is about 11921.6242601417. The cubic root of 142125125 is about 521.8635367461.

Adding to 142125125 its reverse (521521241), we get a palindrome (663646366).

The spelling of 142125125 in words is "one hundred forty-two million, one hundred twenty-five thousand, one hundred twenty-five".