121363249 has 12 divisors (see below), whose sum is σ = 147317184. Its totient is φ = 99501864.

The previous prime is 121363223. The next prime is 121363261. The reversal of 121363249 is 942363121.

It is not a de Polignac number, because 121363249 - 2²⁵ = 87808817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121363249.

It is not an unprimeable number, because it can be changed into a prime (121363049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52717 + ... + 54970.

It is an arithmetic number, because the mean of its divisors is an integer number (12276432).

Almost surely, 2^121363249 is an apocalyptic number.

It is an amenable number.

121363249 is a deficient number, since it is larger than the sum of its proper divisors (25953935).

121363249 is a wasteful number, since it uses less digits than its factorization.

121363249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107724 (or 107717 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 121363249 is about 11016.4989447646. The cubic root of 121363249 is about 495.1031978831.

The spelling of 121363249 in words is "one hundred twenty-one million, three hundred sixty-three thousand, two hundred forty-nine".