121354530 has 96 divisors (see below), whose sum is σ = 324281664. Its totient is φ = 29040000.

The previous prime is 121354529. The next prime is 121354537. The reversal of 121354530 is 35453121.

121354530 = T₁₅₁₆ + T₁₅₁₇ + ... + T₁₆₁₄.

It is a self number, because there is not a number n which added to its sum of digits gives 121354530.

It is not an unprimeable number, because it can be changed into a prime (121354537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366465 + ... + 366795.

It is an arithmetic number, because the mean of its divisors is an integer number (3377934).

Almost surely, 2^121354530 is an apocalyptic number.

121354530 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 121354530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162140832).

121354530 is an abundant number, since it is smaller than the sum of its proper divisors (202927134).

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

121354530 is a wasteful number, since it uses less digits than its factorization.

121354530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 121354530 is about 11016.1032130241. The cubic root of 121354530 is about 495.0913411687.

The spelling of 121354530 in words is "one hundred twenty-one million, three hundred fifty-four thousand, five hundred thirty".