121755480404 has 24 divisors (see below), whose sum is σ = 215626118400. Its totient is φ = 60151131360.

The previous prime is 121755480373. The next prime is 121755480491. The reversal of 121755480404 is 404084557121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232412 + ... + 545459.

It is an arithmetic number, because the mean of its divisors is an integer number (8984421600).

Almost surely, 2^121755480404 is an apocalyptic number.

It is an amenable number.

121755480404 is a deficient number, since it is larger than the sum of its proper divisors (93870637996).

121755480404 is a wasteful number, since it uses less digits than its factorization.

121755480404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778343 (or 778341 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 121755480404 in words is "one hundred twenty-one billion, seven hundred fifty-five million, four hundred eighty thousand, four hundred four".