121406214 has 32 divisors (see below), whose sum is σ = 258975360. Its totient is φ = 37809792.

The previous prime is 121406191. The next prime is 121406239. The reversal of 121406214 is 412604121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897 + ... + 18459.

It is an arithmetic number, because the mean of its divisors is an integer number (8092980).

Almost surely, 2^121406214 is an apocalyptic number.

121406214 is an abundant number, since it is smaller than the sum of its proper divisors (137569146).

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

121406214 is a wasteful number, since it uses less digits than its factorization.

121406214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 121406214 is about 11018.4488018958. The cubic root of 121406214 is about 495.1616164443.

The spelling of 121406214 in words is "one hundred twenty-one million, four hundred six thousand, two hundred fourteen".