121413952 has 112 divisors (see below), whose sum is σ = 287121600. Its totient is φ = 50319360.

The previous prime is 121413947. The next prime is 121413953. The reversal of 121413952 is 259314121.

It is a self number, because there is not a number n which added to its sum of digits gives 121413952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387748 + ... + 388060.

Almost surely, 2^121413952 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 121413952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143560800).

121413952 is an abundant number, since it is smaller than the sum of its proper divisors (165707648).

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

121413952 is a wasteful number, since it uses less digits than its factorization.

121413952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 121413952 is about 11018.7999346571. The cubic root of 121413952 is about 495.1721361672.

The spelling of 121413952 in words is "one hundred twenty-one million, four hundred thirteen thousand, nine hundred fifty-two".