121351764 has 24 divisors (see below), whose sum is σ = 283354848. Its totient is φ = 40421920.

The previous prime is 121351757. The next prime is 121351781. The reversal of 121351764 is 467153121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20554 + ... + 25790.

It is an arithmetic number, because the mean of its divisors is an integer number (11806452).

Almost surely, 2^121351764 is an apocalyptic number.

It is an amenable number.

121351764 is an abundant number, since it is smaller than the sum of its proper divisors (162003084).

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

121351764 is a wasteful number, since it uses less digits than its factorization.

121351764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175 (or 7173 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 121351764 is about 11015.9776688227. The cubic root of 121351764 is about 495.0875796471.

The spelling of 121351764 in words is "one hundred twenty-one million, three hundred fifty-one thousand, seven hundred sixty-four".