142125126 has 64 divisors (see below), whose sum is σ = 336462336. Its totient is φ = 39456000.

The previous prime is 142125077. The next prime is 142125127. The reversal of 142125126 is 621521241.

It is a junction number, because it is equal to n+sod(n) for n = 142125096 and 142125105.

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 31 ways as a sum of consecutive naturals, for example, 129010 + ... + 130106.

It is an arithmetic number, because the mean of its divisors is an integer number (5257224).

Almost surely, 2^142125126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142125126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168231168).

142125126 is an abundant number, since it is smaller than the sum of its proper divisors (194337210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142125126 is a wasteful number, since it uses less digits than its factorization.

142125126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277.

The product of its digits is 960, while the sum is 24.

The square root of 142125126 is about 11921.6243020823. The cubic root of 142125126 is about 521.8635379700.

Adding to 142125126 its reverse (621521241), we get a palindrome (763646367).

The spelling of 142125126 in words is "one hundred forty-two million, one hundred twenty-five thousand, one hundred twenty-six".