121143214 has 4 divisors (see below), whose sum is σ = 181714824. Its totient is φ = 60571606.

The previous prime is 121143193. The next prime is 121143227. The reversal of 121143214 is 412341121.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×121143214³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121143191 and 121143200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30285802 + ... + 30285805.

It is an arithmetic number, because the mean of its divisors is an integer number (45428706).

Almost surely, 2^121143214 is an apocalyptic number.

121143214 is a deficient number, since it is larger than the sum of its proper divisors (60571610).

121143214 is an equidigital number, since it uses as much as digits as its factorization.

121143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60571609.

The product of its digits is 192, while the sum is 19.

The square root of 121143214 is about 11006.5078022050. The cubic root of 121143214 is about 494.8038048446.

Adding to 121143214 its reverse (412341121), we get a palindrome (533484335).

The spelling of 121143214 in words is "one hundred twenty-one million, one hundred forty-three thousand, two hundred fourteen".