121548000 has 192 divisors, whose sum is σ = 455390208. Its totient is φ = 27763200.

The previous prime is 121547999. The next prime is 121548001. The reversal of 121548000 is 845121.

It is an interprime number because it is at equal distance from previous prime (121547999) and next prime (121548001).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121548001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83277 + ... + 84723.

It is an arithmetic number, because the mean of its divisors is an integer number (2371824).

Almost surely, 2^121548000 is an apocalyptic number.

121548000 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 121548000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227695104).

121548000 is an abundant number, since it is smaller than the sum of its proper divisors (333842208).

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

121548000 is a wasteful number, since it uses less digits than its factorization.

121548000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 121548000 is about 11024.8809517382. The cubic root of 121548000 is about 495.3543020013.

The spelling of 121548000 in words is "one hundred twenty-one million, five hundred forty-eight thousand".