121652214 has 8 divisors (see below), whose sum is σ = 243304440. Its totient is φ = 40550736.

The previous prime is 121652213. The next prime is 121652227. The reversal of 121652214 is 412256121.

It is a sphenic number, since it is the product of 3 distinct primes.

121652214 is an admirable number.

It is a super-2 number, since 2×121652214² = 29598522342203592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121652213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10137679 + ... + 10137690.

It is an arithmetic number, because the mean of its divisors is an integer number (30413055).

Almost surely, 2^121652214 is an apocalyptic number.

121652214 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.

121652214 is a wasteful number, since it uses less digits than its factorization.

121652214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20275374.

The product of its digits is 960, while the sum is 24.

The square root of 121652214 is about 11029.6062486383. The cubic root of 121652214 is about 495.4958321146.

The spelling of 121652214 in words is "one hundred twenty-one million, six hundred fifty-two thousand, two hundred fourteen".