121863396 has 12 divisors (see below), whose sum is σ = 284347952. Its totient is φ = 40621128.

The previous prime is 121863347. The next prime is 121863403. The reversal of 121863396 is 693368121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5077630 + ... + 5077653.

Almost surely, 2^121863396 is an apocalyptic number.

It is an amenable number.

121863396 is an abundant number, since it is smaller than the sum of its proper divisors (162484556).

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

121863396 is a wasteful number, since it uses less digits than its factorization.

121863396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155290 (or 10155288 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 121863396 is about 11039.1755126912. The cubic root of 121863396 is about 495.7823848097.

The spelling of 121863396 in words is "one hundred twenty-one million, eight hundred sixty-three thousand, three hundred ninety-six".