121964386 has 8 divisors (see below), whose sum is σ = 183343104. Its totient is φ = 60850020.

The previous prime is 121964371. The next prime is 121964393. The reversal of 121964386 is 683469121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×121964386³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 64930 + ... + 66781.

It is an arithmetic number, because the mean of its divisors is an integer number (22917888).

Almost surely, 2^121964386 is an apocalyptic number.

121964386 is a deficient number, since it is larger than the sum of its proper divisors (61378718).

121964386 is a wasteful number, since it uses less digits than its factorization.

121964386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132176.

The product of its digits is 62208, while the sum is 40.

The square root of 121964386 is about 11043.7487294849. The cubic root of 121964386 is about 495.9193010620.

The spelling of 121964386 in words is "one hundred twenty-one million, nine hundred sixty-four thousand, three hundred eighty-six".