141204040721 has 2 divisors, whose sum is σ = 141204040722. Its totient is φ = 141204040720.

The previous prime is 141204040673. The next prime is 141204040777. The reversal of 141204040721 is 127040402141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128375307025 + 12828733696 = 358295^2 + 113264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141204040721 is a prime.

It is a super-2 number, since 2×141204040721² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141204040421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70602020360 + 70602020361.

It is an arithmetic number, because the mean of its divisors is an integer number (70602020361).

Almost surely, 2^141204040721 is an apocalyptic number.

It is an amenable number.

141204040721 is a deficient number, since it is larger than the sum of its proper divisors (1).

141204040721 is an equidigital number, since it uses as much as digits as its factorization.

141204040721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 141204040721 its reverse (127040402141), we get a palindrome (268244442862).

The spelling of 141204040721 in words is "one hundred forty-one billion, two hundred four million, forty thousand, seven hundred twenty-one".