121261712 has 40 divisors (see below), whose sum is σ = 276024000. Its totient is φ = 50878080.

The previous prime is 121261661. The next prime is 121261729. The reversal of 121261712 is 217162121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24212 + ... + 28787.

It is an arithmetic number, because the mean of its divisors is an integer number (6900600).

Almost surely, 2^121261712 is an apocalyptic number.

It is an amenable number.

121261712 is an abundant number, since it is smaller than the sum of its proper divisors (154762288).

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

121261712 is a wasteful number, since it uses less digits than its factorization.

121261712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53031 (or 53025 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 121261712 is about 11011.8895744554. The cubic root of 121261712 is about 494.9650854536.

The spelling of 121261712 in words is "one hundred twenty-one million, two hundred sixty-one thousand, seven hundred twelve".