121244828 has 12 divisors (see below), whose sum is σ = 212379552. Its totient is φ = 60564960.

The previous prime is 121244807. The next prime is 121244843. The reversal of 121244828 is 828442121.

It is a junction number, because it is equal to n+sod(n) for n = 121244794 and 121244803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9428 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (17698296).

Almost surely, 2^121244828 is an apocalyptic number.

It is an amenable number.

121244828 is a deficient number, since it is larger than the sum of its proper divisors (91134724).

121244828 is a wasteful number, since it uses less digits than its factorization.

121244828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28732 (or 28730 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 121244828 is about 11011.1229218459. The cubic root of 121244828 is about 494.9421120620.

Adding to 121244828 its reverse (828442121), we get a palindrome (949686949).

The spelling of 121244828 in words is "one hundred twenty-one million, two hundred forty-four thousand, eight hundred twenty-eight".