121354620 has 96 divisors (see below), whose sum is σ = 350977536. Its totient is φ = 31315200.

The previous prime is 121354603. The next prime is 121354633. The reversal of 121354620 is 26453121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259627 + ... + 260093.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^121354620 is an apocalyptic number.

121354620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121354620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175488768).

121354620 is an abundant number, since it is smaller than the sum of its proper divisors (229622916).

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

121354620 is a wasteful number, since it uses less digits than its factorization.

121354620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 121354620 is about 11016.1072979524. The cubic root of 121354620 is about 495.0914635600.

The spelling of 121354620 in words is "one hundred twenty-one million, three hundred fifty-four thousand, six hundred twenty".