121244024 has 16 divisors (see below), whose sum is σ = 247999320. Its totient is φ = 55110880.

The previous prime is 121244003. The next prime is 121244029. The reversal of 121244024 is 420442121.

It is a super-2 number, since 2×121244024² = 29400226711425152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121243987 and 121244005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244029) by changing a digit.

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, 688799 + ... + 688974.

Almost surely, 2^121244024 is an apocalyptic number.

It is an amenable number.

121244024 is an abundant number, since it is smaller than the sum of its proper divisors (126755296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121244024 is a wasteful number, since it uses less digits than its factorization.

121244024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377790 (or 1377786 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 121244024 is about 11011.0864132473. The cubic root of 121244024 is about 494.9410180377.

Adding to 121244024 its reverse (420442121), we get a palindrome (541686145).

The spelling of 121244024 in words is "one hundred twenty-one million, two hundred forty-four thousand, twenty-four".