121787056360 has 16 divisors (see below), whose sum is σ = 274020876900. Its totient is φ = 48714822528.

The previous prime is 121787056337. The next prime is 121787056373. The reversal of 121787056360 is 63650787121.

It can be written as a sum of positive squares in 2 ways, for example, as 119656495396 + 2130560964 = 345914^2 + 46158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121787056360.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522338165 + ... + 1522338244.

Almost surely, 2^121787056360 is an apocalyptic number.

121787056360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121787056360 is an abundant number, since it is smaller than the sum of its proper divisors (152233820540).

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

121787056360 is a wasteful number, since it uses less digits than its factorization.

121787056360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044676420 (or 3044676416 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 121787056360 in words is "one hundred twenty-one billion, seven hundred eighty-seven million, fifty-six thousand, three hundred sixty".