121369932 has 36 divisors (see below), whose sum is σ = 307583640. Its totient is φ = 40352832.

The previous prime is 121369909. The next prime is 121369939. The reversal of 121369932 is 239963121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (121369939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10603 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (8543990).

Almost surely, 2^121369932 is an apocalyptic number.

121369932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121369932 is an abundant number, since it is smaller than the sum of its proper divisors (186213708).

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

121369932 is a wasteful number, since it uses less digits than its factorization.

121369932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8657 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 121369932 is about 11016.8022583688. The cubic root of 121369932 is about 495.1122855160.

The spelling of 121369932 in words is "one hundred twenty-one million, three hundred sixty-nine thousand, nine hundred thirty-two".