121151214 has 40 divisors (see below), whose sum is σ = 287443728. Its totient is φ = 38007360.

The previous prime is 121151207. The next prime is 121151221. The reversal of 121151214 is 412151121.

It is an interprime number because it is at equal distance from previous prime (121151207) and next prime (121151221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19242 + ... + 24749.

Almost surely, 2^121151214 is an apocalyptic number.

121151214 is an abundant number, since it is smaller than the sum of its proper divisors (166292514).

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

121151214 is a wasteful number, since it uses less digits than its factorization.

121151214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44022 (or 44013 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 121151214 is about 11006.8712175622. The cubic root of 121151214 is about 494.8146964804.

It can be divided in two parts, 1211 and 51214, that added together give a palindrome (52425).

The spelling of 121151214 in words is "one hundred twenty-one million, one hundred fifty-one thousand, two hundred fourteen".