240142124081 has 2 divisors, whose sum is σ = 240142124082. Its totient is φ = 240142124080.

The previous prime is 240142124051. The next prime is 240142124111. The reversal of 240142124081 is 180421241042.

It is a balanced prime because it is at equal distance from previous prime (240142124051) and next prime (240142124111).

It can be written as a sum of positive squares in only one way, i.e., 223200498481 + 16941625600 = 472441^2 + 130160^2 .

It is a cyclic number.

It is not a de Polignac number, because 240142124081 - 2⁶ = 240142124017 is a prime.

It is a super-2 number, since 2×240142124081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240142124011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120071062040 + 120071062041.

It is an arithmetic number, because the mean of its divisors is an integer number (120071062041).

Almost surely, 2^240142124081 is an apocalyptic number.

It is an amenable number.

240142124081 is a deficient number, since it is larger than the sum of its proper divisors (1).

240142124081 is an equidigital number, since it uses as much as digits as its factorization.

240142124081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 240142124081 in words is "two hundred forty billion, one hundred forty-two million, one hundred twenty-four thousand, eighty-one".