121440054130 has 16 divisors (see below), whose sum is σ = 218606969880. Its totient is φ = 48572716672.

The previous prime is 121440054083. The next prime is 121440054311. The reversal of 121440054130 is 31450044121.

It can be written as a sum of positive squares in 4 ways, for example, as 16244267209 + 105195786921 = 127453^2 + 324339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121440054095 and 121440054104.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 255949 + ... + 555328.

Almost surely, 2^121440054130 is an apocalyptic number.

121440054130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121440054130 is a deficient number, since it is larger than the sum of its proper divisors (97166915750).

121440054130 is a wasteful number, since it uses less digits than its factorization.

121440054130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826253.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121440054130 its reverse (31450044121), we get a palindrome (152890098251).

The spelling of 121440054130 in words is "one hundred twenty-one billion, four hundred forty million, fifty-four thousand, one hundred thirty".