121302424 has 16 divisors (see below), whose sum is σ = 227946600. Its totient is φ = 60516672.

The previous prime is 121302373. The next prime is 121302427. The reversal of 121302424 is 424203121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12934 + ... + 20245.

Almost surely, 2^121302424 is an apocalyptic number.

It is an amenable number.

121302424 is a deficient number, since it is larger than the sum of its proper divisors (106644176).

121302424 is a wasteful number, since it uses less digits than its factorization.

121302424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33642 (or 33638 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 121302424 is about 11013.7379667395. The cubic root of 121302424 is about 495.0204718942.

Adding to 121302424 its reverse (424203121), we get a palindrome (545505545).

The spelling of 121302424 in words is "one hundred twenty-one million, three hundred two thousand, four hundred twenty-four".