4142720531 has 8 divisors (see below), whose sum is σ = 4395425760. Its totient is φ = 3891017088.

The previous prime is 4142720513. The next prime is 4142720563. The reversal of 4142720531 is 1350272414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4142720531 - 2⁶ = 4142720467 is a prime.

It is a super-2 number, since 2×4142720531² = 34324266795937843922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4142720494 and 4142720503.

It is not an unprimeable number, because it can be changed into a prime (4142720431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241916 + ... + 258473.

It is an arithmetic number, because the mean of its divisors is an integer number (549428220).

Almost surely, 2^4142720531 is an apocalyptic number.

4142720531 is a deficient number, since it is larger than the sum of its proper divisors (252705229).

4142720531 is a wasteful number, since it uses less digits than its factorization.

4142720531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500893.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4142720531 is about 64363.9691986130. The cubic root of 4142720531 is about 1606.0604180737.

Adding to 4142720531 its reverse (1350272414), we get a palindrome (5492992945).

The spelling of 4142720531 in words is "four billion, one hundred forty-two million, seven hundred twenty thousand, five hundred thirty-one".