121316252 has 12 divisors (see below), whose sum is σ = 212538480. Its totient is φ = 60590976.

The previous prime is 121316249. The next prime is 121316317. The reversal of 121316252 is 252613121.

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, 12608 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (17711540).

Almost surely, 2^121316252 is an apocalyptic number.

It is an amenable number.

121316252 is a deficient number, since it is larger than the sum of its proper divisors (91222228).

121316252 is a wasteful number, since it uses less digits than its factorization.

121316252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33580 (or 33578 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 121316252 is about 11014.3657102894. The cubic root of 121316252 is about 495.0392813095.

Adding to 121316252 its reverse (252613121), we get a palindrome (373929373).

The spelling of 121316252 in words is "one hundred twenty-one million, three hundred sixteen thousand, two hundred fifty-two".