121084860 has 192 divisors, whose sum is σ = 388644480. Its totient is φ = 27955200.

The previous prime is 121084813. The next prime is 121084883. The reversal of 121084860 is 68480121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1198810 + ... + 1198910.

It is an arithmetic number, because the mean of its divisors is an integer number (2024190).

Almost surely, 2^121084860 is an apocalyptic number.

121084860 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 121084860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194322240).

121084860 is an abundant number, since it is smaller than the sum of its proper divisors (267559620).

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

121084860 is a wasteful number, since it uses less digits than its factorization.

121084860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 121084860 is about 11003.8565966665. The cubic root of 121084860 is about 494.7243440212.

The spelling of 121084860 in words is "one hundred twenty-one million, eighty-four thousand, eight hundred sixty".