1054012221 has 24 divisors (see below), whose sum is σ = 1578720000. Its totient is φ = 676825632.

The previous prime is 1054012217. The next prime is 1054012231. The reversal of 1054012221 is 1222104501.

1054012221 is a `hidden beast` number, since 1 + 0 + 540 + 122 + 2 + 1 = 666.

It is not a de Polignac number, because 1054012221 - 2² = 1054012217 is a prime.

It is a super-2 number, since 2×1054012221² = 2221883524034705682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054012194 and 1054012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054012231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109980 + ... + 119178.

It is an arithmetic number, because the mean of its divisors is an integer number (65780000).

Almost surely, 2^1054012221 is an apocalyptic number.

It is an amenable number.

1054012221 is a deficient number, since it is larger than the sum of its proper divisors (524707779).

1054012221 is a wasteful number, since it uses less digits than its factorization.

1054012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673 (or 9670 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1054012221 is about 32465.5543769085. The cubic root of 1054012221 is about 1017.6893166762.

Adding to 1054012221 its reverse (1222104501), we get a palindrome (2276116722).

The spelling of 1054012221 in words is "one billion, fifty-four million, twelve thousand, two hundred twenty-one".