121752672762 has 16 divisors (see below), whose sum is σ = 278291823552. Its totient is φ = 34786477920.

The previous prime is 121752672761. The next prime is 121752672779. The reversal of 121752672762 is 267276257121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121752672761) 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, 1449436539 + ... + 1449436622.

It is an arithmetic number, because the mean of its divisors is an integer number (17393238972).

Almost surely, 2^121752672762 is an apocalyptic number.

121752672762 is an abundant number, since it is smaller than the sum of its proper divisors (156539150790).

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

121752672762 is a wasteful number, since it uses less digits than its factorization.

121752672762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898873173.

The product of its digits is 987840, while the sum is 48.

The spelling of 121752672762 in words is "one hundred twenty-one billion, seven hundred fifty-two million, six hundred seventy-two thousand, seven hundred sixty-two".