121935450 has 96 divisors (see below), whose sum is σ = 372226176. Its totient is φ = 25724160.

The previous prime is 121935433. The next prime is 121935467. The reversal of 121935450 is 54539121.

It is an interprime number because it is at equal distance from previous prime (121935433) and next prime (121935467).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9184 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (3877356).

Almost surely, 2^121935450 is an apocalyptic number.

121935450 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 121935450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186113088).

121935450 is an abundant number, since it is smaller than the sum of its proper divisors (250290726).

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

121935450 is a wasteful number, since it uses less digits than its factorization.

121935450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968 (or 8963 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 121935450 is about 11042.4385893697. The cubic root of 121935450 is about 495.8800790772.

The spelling of 121935450 in words is "one hundred twenty-one million, nine hundred thirty-five thousand, four hundred fifty".