121837484740 has 12 divisors (see below), whose sum is σ = 255858717996. Its totient is φ = 48734993888.

The previous prime is 121837484737. The next prime is 121837484753. The reversal of 121837484740 is 47484738121.

It can be written as a sum of positive squares in 2 ways, for example, as 80057307136 + 41780177604 = 282944^2 + 204402^2 .

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, 3045937099 + ... + 3045937138.

It is an arithmetic number, because the mean of its divisors is an integer number (21321559833).

Almost surely, 2^121837484740 is an apocalyptic number.

121837484740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121837484740 is an abundant number, since it is smaller than the sum of its proper divisors (134021233256).

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

121837484740 is a wasteful number, since it uses less digits than its factorization.

121837484740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091874246 (or 6091874244 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 121837484740 in words is "one hundred twenty-one billion, eight hundred thirty-seven million, four hundred eighty-four thousand, seven hundred forty".