121040024239873 has 2 divisors, whose sum is σ = 121040024239874. Its totient is φ = 121040024239872.

The previous prime is 121040024239831. The next prime is 121040024239933. The reversal of 121040024239873 is 378932420040121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116438278491649 + 4601745748224 = 10790657^2 + 2145168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121040024239873 is a prime.

It is a super-2 number, since 2×121040024239873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121040024231873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520012119936 + 60520012119937.

It is an arithmetic number, because the mean of its divisors is an integer number (60520012119937).

Almost surely, 2^{121040024239873} is an apocalyptic number.

It is an amenable number.

121040024239873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121040024239873 is an equidigital number, since it uses as much as digits as its factorization.

121040024239873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

Adding to 121040024239873 its reverse (378932420040121), we get a palindrome (499972444279994).

The spelling of 121040024239873 in words is "one hundred twenty-one trillion, forty billion, twenty-four million, two hundred thirty-nine thousand, eight hundred seventy-three".