121203772 has 12 divisors (see below), whose sum is σ = 212185456. Its totient is φ = 60579360.

The previous prime is 121203701. The next prime is 121203781. The reversal of 121203772 is 277302121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14353 + ... + 21175.

Almost surely, 2^121203772 is an apocalyptic number.

It is an amenable number.

121203772 is a deficient number, since it is larger than the sum of its proper divisors (90981684).

121203772 is a wasteful number, since it uses less digits than its factorization.

121203772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 121203772 is about 11009.2584673083. The cubic root of 121203772 is about 494.8862398851.

Adding to 121203772 its reverse (277302121), we get a palindrome (398505893).

The spelling of 121203772 in words is "one hundred twenty-one million, two hundred three thousand, seven hundred seventy-two".