121496952148 has 48 divisors (see below), whose sum is σ = 250114991616. Its totient is φ = 50911608960.

The previous prime is 121496952139. The next prime is 121496952149. The reversal of 121496952148 is 841259694121.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 121496952095 and 121496952104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121496952149) 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, 304765 + ... + 579547.

It is an arithmetic number, because the mean of its divisors is an integer number (5210728992).

Almost surely, 2^121496952148 is an apocalyptic number.

It is an amenable number.

121496952148 is an abundant number, since it is smaller than the sum of its proper divisors (128618039468).

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

121496952148 is a wasteful number, since it uses less digits than its factorization.

121496952148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275584 (or 275582 counting only the distinct ones).

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

The spelling of 121496952148 in words is "one hundred twenty-one billion, four hundred ninety-six million, nine hundred fifty-two thousand, one hundred forty-eight".