1120024421 has 2 divisors, whose sum is σ = 1120024422. Its totient is φ = 1120024420.

The previous prime is 1120024403. The next prime is 1120024427. The reversal of 1120024421 is 1244200211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666930625 + 453093796 = 25825^2 + 21286^2 .

It is an emirp because it is prime and its reverse (1244200211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120024421 is a prime.

It is a super-3 number, since 3×1120024421³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1120024421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120024427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560012210 + 560012211.

It is an arithmetic number, because the mean of its divisors is an integer number (560012211).

Almost surely, 2^1120024421 is an apocalyptic number.

It is an amenable number.

1120024421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120024421 is an equidigital number, since it uses as much as digits as its factorization.

1120024421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1120024421 is about 33466.7659178475. The cubic root of 1120024421 is about 1038.5063682855.

Adding to 1120024421 its reverse (1244200211), we get a palindrome (2364224632).

The spelling of 1120024421 in words is "one billion, one hundred twenty million, twenty-four thousand, four hundred twenty-one".