121214450 has 48 divisors (see below), whose sum is σ = 263983104. Its totient is φ = 40540800.

The previous prime is 121214447. The next prime is 121214473. The reversal of 121214450 is 54412121.

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 23 ways as a sum of consecutive naturals, for example, 10127 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (5499648).

Almost surely, 2^121214450 is an apocalyptic number.

121214450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121214450 is an abundant number, since it is smaller than the sum of its proper divisors (142768654).

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

121214450 is a wasteful number, since it uses less digits than its factorization.

121214450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507 (or 8502 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121214450 is about 11009.7434120873. The cubic root of 121214450 is about 494.9007725464.

Adding to 121214450 its reverse (54412121), we get a palindrome (175626571).

The spelling of 121214450 in words is "one hundred twenty-one million, two hundred fourteen thousand, four hundred fifty".