121502555241 has 8 divisors (see below), whose sum is σ = 162054637920. Its totient is φ = 80976088032.

The previous prime is 121502555201. The next prime is 121502555267. The reversal of 121502555241 is 142555205121.

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

It is not a de Polignac number, because 121502555241 - 2⁶ = 121502555177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121502555201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392796 + ... + 6411773.

It is an arithmetic number, because the mean of its divisors is an integer number (20256829740).

Almost surely, 2^121502555241 is an apocalyptic number.

It is an amenable number.

121502555241 is a deficient number, since it is larger than the sum of its proper divisors (40552082679).

121502555241 is a wasteful number, since it uses less digits than its factorization.

121502555241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12807735.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 121502555241 in words is "one hundred twenty-one billion, five hundred two million, five hundred fifty-five thousand, two hundred forty-one".