121548414 has 16 divisors (see below), whose sum is σ = 261796752. Its totient is φ = 37399488.

The previous prime is 121548403. The next prime is 121548421. The reversal of 121548414 is 414845121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779079 + ... + 779234.

It is an arithmetic number, because the mean of its divisors is an integer number (16362297).

Almost surely, 2^121548414 is an apocalyptic number.

121548414 is an abundant number, since it is smaller than the sum of its proper divisors (140248338).

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

121548414 is a wasteful number, since it uses less digits than its factorization.

121548414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558331.

The product of its digits is 5120, while the sum is 30.

The square root of 121548414 is about 11024.8997274352. The cubic root of 121548414 is about 495.3548644031.

The spelling of 121548414 in words is "one hundred twenty-one million, five hundred forty-eight thousand, four hundred fourteen".