120217424 has 10 divisors (see below), whose sum is σ = 232921290. Its totient is φ = 60108704.

The previous prime is 120217367. The next prime is 120217439. The reversal of 120217424 is 424712021.

It can be written as a sum of positive squares in only one way, i.e., 104693824 + 15523600 = 10232^2 + 3940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120217424.

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, 3756779 + ... + 3756810.

It is an arithmetic number, because the mean of its divisors is an integer number (23292129).

Almost surely, 2^120217424 is an apocalyptic number.

It is an amenable number.

120217424 is a deficient number, since it is larger than the sum of its proper divisors (112703866).

120217424 is an equidigital number, since it uses as much as digits as its factorization.

120217424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513597 (or 7513591 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 120217424 is about 10964.3706613740. The cubic root of 120217424 is about 493.5401316274.

Adding to 120217424 its reverse (424712021), we get a palindrome (544929445).

The spelling of 120217424 in words is "one hundred twenty million, two hundred seventeen thousand, four hundred twenty-four".