121067253128 has 16 divisors (see below), whose sum is σ = 227010762000. Its totient is φ = 60531049936.

The previous prime is 121067253127. The next prime is 121067253133. The reversal of 121067253128 is 821352760121.

It is a junction number, because it is equal to n+sod(n) for n = 121067253091 and 121067253100.

It is not an unprimeable number, because it can be changed into a prime (121067253127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114518 + ... + 505221.

It is an arithmetic number, because the mean of its divisors is an integer number (14188172625).

Almost surely, 2^121067253128 is an apocalyptic number.

It is an amenable number.

121067253128 is a deficient number, since it is larger than the sum of its proper divisors (105943508872).

121067253128 is a wasteful number, since it uses less digits than its factorization.

121067253128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644164 (or 644160 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 121067253128 in words is "one hundred twenty-one billion, sixty-seven million, two hundred fifty-three thousand, one hundred twenty-eight".