121670715560 has 32 divisors (see below), whose sum is σ = 277224422400. Its totient is φ = 48052230720.

The previous prime is 121670715533. The next prime is 121670715601. The reversal of 121670715560 is 65517076121.

It is a super-2 number, since 2×121670715560² (a number of 23 digits) contains 22 as substring.

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, 19248536 + ... + 19254855.

It is an arithmetic number, because the mean of its divisors is an integer number (8663263200).

Almost surely, 2^121670715560 is an apocalyptic number.

121670715560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121670715560 is an abundant number, since it is smaller than the sum of its proper divisors (155553706840).

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

121670715560 is a wasteful number, since it uses less digits than its factorization.

121670715560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38503481 (or 38503477 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 121670715560 in words is "one hundred twenty-one billion, six hundred seventy million, seven hundred fifteen thousand, five hundred sixty".