121274208 has 72 divisors (see below), whose sum is σ = 376235496. Its totient is φ = 36748800.

The previous prime is 121274183. The next prime is 121274213. The reversal of 121274208 is 802472121.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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, 15973 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (5225493).

Almost surely, 2^121274208 is an apocalyptic number.

121274208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121274208 is an abundant number, since it is smaller than the sum of its proper divisors (254961288).

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

121274208 is a wasteful number, since it uses less digits than its factorization.

121274208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38308 (or 38297 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 121274208 is about 11012.4569465674. The cubic root of 121274208 is about 494.9820868939.

The spelling of 121274208 in words is "one hundred twenty-one million, two hundred seventy-four thousand, two hundred eight".