1024411221 has 6 divisors (see below), whose sum is σ = 1479705110. Its totient is φ = 682940808.

The previous prime is 1024411187. The next prime is 1024411243. The reversal of 1024411221 is 1221144201.

1024411221 is a `hidden beast` number, since 1 + 0 + 2 + 441 + 1 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 870899121 + 153512100 = 29511^2 + 12390^2 .

It is not a de Polignac number, because 1024411221 - 2¹⁹ = 1023886933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024411194 and 1024411203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024411261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56911726 + ... + 56911743.

Almost surely, 2^1024411221 is an apocalyptic number.

It is an amenable number.

1024411221 is a deficient number, since it is larger than the sum of its proper divisors (455293889).

1024411221 is a wasteful number, since it uses less digits than its factorization.

1024411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113823475 (or 113823472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1024411221 is about 32006.4246831788. The cubic root of 1024411221 is about 1008.0717452949.

Adding to 1024411221 its reverse (1221144201), we get a palindrome (2245555422).

The spelling of 1024411221 in words is "one billion, twenty-four million, four hundred eleven thousand, two hundred twenty-one".