121528360 has 16 divisors (see below), whose sum is σ = 273438900. Its totient is φ = 48611328.

The previous prime is 121528327. The next prime is 121528367. The reversal of 121528360 is 63825121.

It can be written as a sum of positive squares in 2 ways, for example, as 113337316 + 8191044 = 10646^2 + 2862^2 .

It is not an unprimeable number, because it can be changed into a prime (121528367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519065 + ... + 1519144.

Almost surely, 2^121528360 is an apocalyptic number.

121528360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121528360 is an abundant number, since it is smaller than the sum of its proper divisors (151910540).

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

121528360 is a wasteful number, since it uses less digits than its factorization.

121528360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038220 (or 3038216 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 121528360 is about 11023.9902031887. The cubic root of 121528360 is about 495.3276204090.

The spelling of 121528360 in words is "one hundred twenty-one million, five hundred twenty-eight thousand, three hundred sixty".