121142084 has 12 divisors (see below), whose sum is σ = 242284224. Its totient is φ = 51918024.

The previous prime is 121142057. The next prime is 121142101. The reversal of 121142084 is 480241121.

121142084 is an admirable number.

It is a super-3 number, since 3×121142084³ (a number of 25 digits) contains 333 as substring.

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, 2163224 + ... + 2163279.

It is an arithmetic number, because the mean of its divisors is an integer number (20190352).

Almost surely, 2^121142084 is an apocalyptic number.

121142084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121142084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121142084 is a wasteful number, since it uses less digits than its factorization.

121142084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326514 (or 4326512 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 121142084 is about 11006.4564688187. The cubic root of 121142084 is about 494.8022663624.

The spelling of 121142084 in words is "one hundred twenty-one million, one hundred forty-two thousand, eighty-four".