4142125501 has 2 divisors, whose sum is σ = 4142125502. Its totient is φ = 4142125500.

The previous prime is 4142125441. The next prime is 4142125567. The reversal of 4142125501 is 1055212414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3439822500 + 702303001 = 58650^2 + 26501^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142125501 - 2⁷ = 4142125373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4142125201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071062750 + 2071062751.

It is an arithmetic number, because the mean of its divisors is an integer number (2071062751).

Almost surely, 2^4142125501 is an apocalyptic number.

It is an amenable number.

4142125501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142125501 is an equidigital number, since it uses as much as digits as its factorization.

4142125501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4142125501 is about 64359.3466483307. The cubic root of 4142125501 is about 1605.9835201447.

Adding to 4142125501 its reverse (1055212414), we get a palindrome (5197337915).

The spelling of 4142125501 in words is "four billion, one hundred forty-two million, one hundred twenty-five thousand, five hundred one".