121286232 has 24 divisors (see below), whose sum is σ = 328483740. Its totient is φ = 40428720.

The previous prime is 121286227. The next prime is 121286299. The reversal of 121286232 is 232682121.

121286232 is a `hidden beast` number, since 12 + 1 + 28 + 623 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121286196 and 121286205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842194 + ... + 842337.

Almost surely, 2^121286232 is an apocalyptic number.

121286232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121286232 is an abundant number, since it is smaller than the sum of its proper divisors (207197508).

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

121286232 is a wasteful number, since it uses less digits than its factorization.

121286232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684543 (or 1684536 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 121286232 is about 11013.0028602557. The cubic root of 121286232 is about 494.9984450517.

The spelling of 121286232 in words is "one hundred twenty-one million, two hundred eighty-six thousand, two hundred thirty-two".