121039259488 has 48 divisors (see below), whose sum is σ = 272388372480. Its totient is φ = 51864437376.

The previous prime is 121039259401. The next prime is 121039259557. The reversal of 121039259488 is 884952930121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247745 + ... + 1341247.

It is an arithmetic number, because the mean of its divisors is an integer number (5674757760).

Almost surely, 2^121039259488 is an apocalyptic number.

It is an amenable number.

121039259488 is an abundant number, since it is smaller than the sum of its proper divisors (151349112992).

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

121039259488 is an equidigital number, since it uses as much as digits as its factorization.

121039259488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99299 (or 99291 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 121039259488 in words is "one hundred twenty-one billion, thirty-nine million, two hundred fifty-nine thousand, four hundred eighty-eight".