121458030 has 48 divisors (see below), whose sum is σ = 309677040. Its totient is φ = 30481408.

The previous prime is 121458023. The next prime is 121458037. The reversal of 121458030 is 30854121.

It is an interprime number because it is at equal distance from previous prime (121458023) and next prime (121458037).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121458037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666 + ... + 15674.

It is an arithmetic number, because the mean of its divisors is an integer number (6451605).

Almost surely, 2^121458030 is an apocalyptic number.

121458030 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 121458030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154838520).

121458030 is an abundant number, since it is smaller than the sum of its proper divisors (188219010).

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

121458030 is a wasteful number, since it uses less digits than its factorization.

121458030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053 (or 14036 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121458030 is about 11020.7998802265. The cubic root of 121458030 is about 495.2320511833.

The spelling of 121458030 in words is "one hundred twenty-one million, four hundred fifty-eight thousand, thirty".