121787214 has 32 divisors (see below), whose sum is σ = 249446304. Its totient is φ = 39628800.

The previous prime is 121787203. The next prime is 121787221. The reversal of 121787214 is 412787121.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 42862 + ... + 45614.

It is an arithmetic number, because the mean of its divisors is an integer number (7795197).

Almost surely, 2^121787214 is an apocalyptic number.

121787214 is an abundant number, since it is smaller than the sum of its proper divisors (127659090).

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

121787214 is a wasteful number, since it uses less digits than its factorization.

121787214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932.

The product of its digits is 6272, while the sum is 33.

The square root of 121787214 is about 11035.7244438233. The cubic root of 121787214 is about 495.6790517113.

The spelling of 121787214 in words is "one hundred twenty-one million, seven hundred eighty-seven thousand, two hundred fourteen".