121157068 has 12 divisors (see below), whose sum is σ = 212225832. Its totient is φ = 60521120.

The previous prime is 121157059. The next prime is 121157081. The reversal of 121157068 is 860751121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9418 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (17685486).

Almost surely, 2^121157068 is an apocalyptic number.

It is an amenable number.

121157068 is a deficient number, since it is larger than the sum of its proper divisors (91068764).

121157068 is a wasteful number, since it uses less digits than its factorization.

121157068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28712 (or 28710 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 121157068 is about 11007.1371391475. The cubic root of 121157068 is about 494.8226661311.

The spelling of 121157068 in words is "one hundred twenty-one million, one hundred fifty-seven thousand, sixty-eight".