121449248 has 12 divisors (see below), whose sum is σ = 239103270. Its totient is φ = 60724608.

The previous prime is 121449239. The next prime is 121449253. The reversal of 121449248 is 842944121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90402064 + 31047184 = 9508^2 + 5572^2 .

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 as a sum of consecutive naturals, namely, 1897613 + ... + 1897676.

Almost surely, 2^121449248 is an apocalyptic number.

It is an amenable number.

121449248 is a deficient number, since it is larger than the sum of its proper divisors (117654022).

121449248 is an equidigital number, since it uses as much as digits as its factorization.

121449248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795299 (or 3795291 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 121449248 is about 11020.4014445936. The cubic root of 121449248 is about 495.2201150089.

The spelling of 121449248 in words is "one hundred twenty-one million, four hundred forty-nine thousand, two hundred forty-eight".