121494534226560 has 384 divisors, whose sum is σ = 457700804832960. Its totient is φ = 29451587665920.

The previous prime is 121494534226553. The next prime is 121494534226573. The reversal of 121494534226560 is 65622435494121.

121494534226560 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 9 + 4 + 53 + 4 + 2 + 26 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a junction number, because it is equal to n+sod(n) for n = 121494534226497 and 121494534226506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1458949084 + ... + 1459032356.

Almost surely, 2^{121494534226560} is an apocalyptic number.

121494534226560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121494534226560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228850402416480).

121494534226560 is an abundant number, since it is smaller than the sum of its proper divisors (336206270606400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121494534226560 is a wasteful number, since it uses less digits than its factorization.

121494534226560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106336 (or 106321 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 121494534226560 in words is "one hundred twenty-one trillion, four hundred ninety-four billion, five hundred thirty-four million, two hundred twenty-six thousand, five hundred sixty".