121529441 has 8 divisors (see below), whose sum is σ = 133795200. Its totient is φ = 109466640.

The previous prime is 121529437. The next prime is 121529489. The reversal of 121529441 is 144925121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121529441 - 2² = 121529437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121525441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49481 + ... + 51878.

It is an arithmetic number, because the mean of its divisors is an integer number (16724400).

Almost surely, 2^121529441 is an apocalyptic number.

121529441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121529441 is a deficient number, since it is larger than the sum of its proper divisors (12265759).

121529441 is a wasteful number, since it uses less digits than its factorization.

121529441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101479.

The product of its digits is 2880, while the sum is 29.

The square root of 121529441 is about 11024.0392325136. The cubic root of 121529441 is about 495.3290890582.

The spelling of 121529441 in words is "one hundred twenty-one million, five hundred twenty-nine thousand, four hundred forty-one".