121051080 has 48 divisors (see below), whose sum is σ = 393417180. Its totient is φ = 32280192.

The previous prime is 121051043. The next prime is 121051097. The reversal of 121051080 is 80150121.

It can be written as a sum of positive squares in 2 ways, for example, as 106626276 + 14424804 = 10326^2 + 3798^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167767 + ... + 168486.

Almost surely, 2^121051080 is an apocalyptic number.

121051080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121051080 is an abundant number, since it is smaller than the sum of its proper divisors (272366100).

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

121051080 is a wasteful number, since it uses less digits than its factorization.

121051080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336270 (or 336263 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 121051080 is about 11002.3215731954. The cubic root of 121051080 is about 494.6783340228.

The spelling of 121051080 in words is "one hundred twenty-one million, fifty-one thousand, eighty".