121532760 has 96 divisors (see below), whose sum is σ = 396396000. Its totient is φ = 32292864.

The previous prime is 121532737. The next prime is 121532771. The reversal of 121532760 is 67235121.

It is a happy number.

121532760 is a `hidden beast` number, since 121 + 532 + 7 + 6 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157656 + ... + 158424.

It is an arithmetic number, because the mean of its divisors is an integer number (4129125).

Almost surely, 2^121532760 is an apocalyptic number.

121532760 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 121532760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198198000).

121532760 is an abundant number, since it is smaller than the sum of its proper divisors (274863240).

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

121532760 is a wasteful number, since it uses less digits than its factorization.

121532760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 121532760 is about 11024.1897661461. The cubic root of 121532760 is about 495.3335982050. Note that the first 3 decimals are identical.

Adding to 121532760 its reverse (67235121), we get a palindrome (188767881).

The spelling of 121532760 in words is "one hundred twenty-one million, five hundred thirty-two thousand, seven hundred sixty".