121021064 has 16 divisors (see below), whose sum is σ = 228419520. Its totient is φ = 60109200.

The previous prime is 121021057. The next prime is 121021067. The reversal of 121021064 is 460120121.

It is not an unprimeable number, because it can be changed into a prime (121021067) 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, 48884 + ... + 51299.

It is an arithmetic number, because the mean of its divisors is an integer number (14276220).

Almost surely, 2^121021064 is an apocalyptic number.

It is an amenable number.

121021064 is a deficient number, since it is larger than the sum of its proper divisors (107398456).

121021064 is a wasteful number, since it uses less digits than its factorization.

121021064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100340 (or 100336 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121021064 is about 11000.9574128800. The cubic root of 121021064 is about 494.6374435923.

Adding to 121021064 its reverse (460120121), we get a palindrome (581141185).

The spelling of 121021064 in words is "one hundred twenty-one million, twenty-one thousand, sixty-four".