121442214 has 16 divisors (see below), whose sum is σ = 249449328. Its totient is φ = 39386592.

The previous prime is 121442213. The next prime is 121442263. The reversal of 121442214 is 412244121.

It is a super-2 number, since 2×121442214² = 29496422682443592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121442213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273297 + ... + 273740.

It is an arithmetic number, because the mean of its divisors is an integer number (15590583).

Almost surely, 2^121442214 is an apocalyptic number.

121442214 is an abundant number, since it is smaller than the sum of its proper divisors (128007114).

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

121442214 is a wasteful number, since it uses less digits than its factorization.

121442214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547079.

The product of its digits is 512, while the sum is 21.

The square root of 121442214 is about 11020.0823045928. The cubic root of 121442214 is about 495.2105542374.

Adding to 121442214 its reverse (412244121), we get a palindrome (533686335).

The spelling of 121442214 in words is "one hundred twenty-one million, four hundred forty-two thousand, two hundred fourteen".