121241152 has 14 divisors (see below), whose sum is σ = 240588038. Its totient is φ = 60620544.

The previous prime is 121241149. The next prime is 121241189. The reversal of 121241152 is 251142121.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 45481536 = 8704^2 + 6744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947133 + ... + 947260.

Almost surely, 2^121241152 is an apocalyptic number.

It is an amenable number.

121241152 is a deficient number, since it is larger than the sum of its proper divisors (119346886).

121241152 is an equidigital number, since it uses as much as digits as its factorization.

121241152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894405 (or 1894395 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 121241152 is about 11010.9559984590. The cubic root of 121241152 is about 494.9371099913.

Adding to 121241152 its reverse (251142121), we get a palindrome (372383273).

The spelling of 121241152 in words is "one hundred twenty-one million, two hundred forty-one thousand, one hundred fifty-two".