121108448 has 12 divisors (see below), whose sum is σ = 238432320. Its totient is φ = 60554208.

The previous prime is 121108439. The next prime is 121108457. The reversal of 121108448 is 844801121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121108439) and next prime (121108457).

It is a self number, because there is not a number n which added to its sum of digits gives 121108448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1892288 + ... + 1892351.

It is an arithmetic number, because the mean of its divisors is an integer number (19869360).

Almost surely, 2^121108448 is an apocalyptic number.

It is an amenable number.

121108448 is a deficient number, since it is larger than the sum of its proper divisors (117323872).

121108448 is an equidigital number, since it uses as much as digits as its factorization.

121108448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784649 (or 3784641 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 121108448 is about 11004.9283505164. The cubic root of 121108448 is about 494.7564669477.

Adding to 121108448 its reverse (844801121), we get a palindrome (965909569).

The spelling of 121108448 in words is "one hundred twenty-one million, one hundred eight thousand, four hundred forty-eight".