121321832 has 8 divisors (see below), whose sum is σ = 227478450. Its totient is φ = 60660912.

The previous prime is 121321807. The next prime is 121321867. The reversal of 121321832 is 238123121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119990116 + 1331716 = 10954^2 + 1154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121321798 and 121321807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7582607 + ... + 7582622.

Almost surely, 2^121321832 is an apocalyptic number.

It is an amenable number.

121321832 is a deficient number, since it is larger than the sum of its proper divisors (106156618).

121321832 is a wasteful number, since it uses less digits than its factorization.

121321832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165235 (or 15165231 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 121321832 is about 11014.6190129300. The cubic root of 121321832 is about 495.0468710506.

Adding to 121321832 its reverse (238123121), we get a palindrome (359444953).

The spelling of 121321832 in words is "one hundred twenty-one million, three hundred twenty-one thousand, eight hundred thirty-two".