121605332 has 12 divisors (see below), whose sum is σ = 215503680. Its totient is φ = 60032856.

The previous prime is 121605331. The next prime is 121605353. The reversal of 121605332 is 233506121.

It is a junction number, because it is equal to n+sod(n) for n = 121605298 and 121605307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121605331) 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, 192098 + ... + 192729.

It is an arithmetic number, because the mean of its divisors is an integer number (17958640).

Almost surely, 2^121605332 is an apocalyptic number.

It is an amenable number.

121605332 is a deficient number, since it is larger than the sum of its proper divisors (93898348).

121605332 is a wasteful number, since it uses less digits than its factorization.

121605332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384910 (or 384908 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 121605332 is about 11027.4807639823. The cubic root of 121605332 is about 495.4321729900.

The spelling of 121605332 in words is "one hundred twenty-one million, six hundred five thousand, three hundred thirty-two".