121248958269 has 16 divisors (see below), whose sum is σ = 167370854400. Its totient is φ = 77984214336.

The previous prime is 121248958231. The next prime is 121248958273. The reversal of 121248958269 is 962859842121.

It is not a de Polignac number, because 121248958269 - 2⁹ = 121248957757 is a prime.

It is a super-3 number, since 3×121248958269³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121248958219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433554 + ... + 656099.

It is an arithmetic number, because the mean of its divisors is an integer number (10460678400).

Almost surely, 2^121248958269 is an apocalyptic number.

It is an amenable number.

121248958269 is a deficient number, since it is larger than the sum of its proper divisors (46121896131).

121248958269 is a wasteful number, since it uses less digits than its factorization.

121248958269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090964.

The product of its digits is 4976640, while the sum is 57.

The spelling of 121248958269 in words is "one hundred twenty-one billion, two hundred forty-eight million, nine hundred fifty-eight thousand, two hundred sixty-nine".