121874544 has 200 divisors, whose sum is σ = 393224832. Its totient is φ = 36132480.

The previous prime is 121874537. The next prime is 121874549. The reversal of 121874544 is 445478121.

It is a happy number.

121874544 is a `hidden beast` number, since 121 + 87 + 454 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 121874499 and 121874508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121874549) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1183197 + ... + 1183299.

Almost surely, 2^121874544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121874544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196612416).

121874544 is an abundant number, since it is smaller than the sum of its proper divisors (271350288).

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

121874544 is a wasteful number, since it uses less digits than its factorization.

121874544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 121874544 is about 11039.6804301574. The cubic root of 121874544 is about 495.7975023202.

The spelling of 121874544 in words is "one hundred twenty-one million, eight hundred seventy-four thousand, five hundred forty-four".