121498320 has 160 divisors (see below), whose sum is σ = 404224128. Its totient is φ = 30081024.

The previous prime is 121498319. The next prime is 121498339. The reversal of 121498320 is 23894121.

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

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, 395607 + ... + 395913.

Almost surely, 2^121498320 is an apocalyptic number.

121498320 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 121498320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202112064).

121498320 is an abundant number, since it is smaller than the sum of its proper divisors (282725808).

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

121498320 is a wasteful number, since it uses less digits than its factorization.

121498320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 121498320 is about 11022.6276359133. The cubic root of 121498320 is about 495.2868045098.

The spelling of 121498320 in words is "one hundred twenty-one million, four hundred ninety-eight thousand, three hundred twenty".