121914450 has 288 divisors, whose sum is σ = 415598400. Its totient is φ = 26127360.

The previous prime is 121914437. The next prime is 121914461. The reversal of 121914450 is 54419121.

121914450 is a `hidden beast` number, since 1 + 219 + 1 + 445 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1256802 + ... + 1256898.

It is an arithmetic number, because the mean of its divisors is an integer number (1443050).

Almost surely, 2^121914450 is an apocalyptic number.

121914450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121914450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207799200).

121914450 is an abundant number, since it is smaller than the sum of its proper divisors (293683950).

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

121914450 is a wasteful number, since it uses less digits than its factorization.

121914450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 121914450 is about 11041.4876715051. The cubic root of 121914450 is about 495.8516102452.

It can be divided in two parts, 12191 and 4450, that added together give a square (16641 = 129²).

The spelling of 121914450 in words is "one hundred twenty-one million, nine hundred fourteen thousand, four hundred fifty".