121644332 has 12 divisors (see below), whose sum is σ = 222133296. Its totient is φ = 58177680.

The previous prime is 121644317. The next prime is 121644337. The reversal of 121644332 is 233446121.

It is not an unprimeable number, because it can be changed into a prime (121644337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661019 + ... + 661202.

It is an arithmetic number, because the mean of its divisors is an integer number (18511108).

Almost surely, 2^121644332 is an apocalyptic number.

It is an amenable number.

121644332 is a deficient number, since it is larger than the sum of its proper divisors (100488964).

121644332 is a wasteful number, since it uses less digits than its factorization.

121644332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322248 (or 1322246 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 121644332 is about 11029.2489318176. The cubic root of 121644332 is about 495.4851306173.

The spelling of 121644332 in words is "one hundred twenty-one million, six hundred forty-four thousand, three hundred thirty-two".