1054328221 has 8 divisors (see below), whose sum is σ = 1110546080. Its totient is φ = 998183088.

The previous prime is 1054328207. The next prime is 1054328237. The reversal of 1054328221 is 1228234501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054328221 - 2⁵ = 1054328189 is a prime.

It is a super-2 number, since 2×1054328221² = 2223215995194049682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054328221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054328021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12970 + ... + 47716.

It is an arithmetic number, because the mean of its divisors is an integer number (138818260).

Almost surely, 2^1054328221 is an apocalyptic number.

It is an amenable number.

1054328221 is a deficient number, since it is larger than the sum of its proper divisors (56217859).

1054328221 is a wasteful number, since it uses less digits than its factorization.

1054328221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36363.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1054328221 is about 32470.4207087004. The cubic root of 1054328221 is about 1017.7910098965.

The spelling of 1054328221 in words is "one billion, fifty-four million, three hundred twenty-eight thousand, two hundred twenty-one".