121602441 has 8 divisors (see below), whose sum is σ = 162288000. Its totient is φ = 80992592.

The previous prime is 121602431. The next prime is 121602487. The reversal of 121602441 is 144206121.

It is a happy number.

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 121602441 - 2¹⁵ = 121569673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121602431) 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, 15066 + ... + 21683.

It is an arithmetic number, because the mean of its divisors is an integer number (20286000).

Almost surely, 2^121602441 is an apocalyptic number.

It is an amenable number.

121602441 is a deficient number, since it is larger than the sum of its proper divisors (40685559).

121602441 is a wasteful number, since it uses less digits than its factorization.

121602441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37855.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 121602441 is about 11027.3496815871. The cubic root of 121602441 is about 495.4282468854.

Adding to 121602441 its reverse (144206121), we get a palindrome (265808562).

The spelling of 121602441 in words is "one hundred twenty-one million, six hundred two thousand, four hundred forty-one".