121004305481 has 2 divisors, whose sum is σ = 121004305482. Its totient is φ = 121004305480.

The previous prime is 121004305463. The next prime is 121004305493. The reversal of 121004305481 is 184503400121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102864525625 + 18139779856 = 320725^2 + 134684^2 .

It is a cyclic number.

It is not a de Polignac number, because 121004305481 - 2⁶ = 121004305417 is a prime.

It is a super-2 number, since 2×121004305481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121004305381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60502152740 + 60502152741.

It is an arithmetic number, because the mean of its divisors is an integer number (60502152741).

Almost surely, 2^121004305481 is an apocalyptic number.

It is an amenable number.

121004305481 is a deficient number, since it is larger than the sum of its proper divisors (1).

121004305481 is an equidigital number, since it uses as much as digits as its factorization.

121004305481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 121004305481 in words is "one hundred twenty-one billion, four million, three hundred five thousand, four hundred eighty-one".