1005221054 has 8 divisors (see below), whose sum is σ = 1539913248. Its totient is φ = 491916640.

The previous prime is 1005221039. The next prime is 1005221081. The reversal of 1005221054 is 4501225001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5346827 + ... + 5347014.

It is an arithmetic number, because the mean of its divisors is an integer number (192489156).

Almost surely, 2^1005221054 is an apocalyptic number.

1005221054 is a deficient number, since it is larger than the sum of its proper divisors (534692194).

1005221054 is a wasteful number, since it uses less digits than its factorization.

1005221054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693890.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1005221054 is about 31705.2212419343. The cubic root of 1005221054 is about 1001.7373312655.

Adding to 1005221054 its reverse (4501225001), we get a palindrome (5506446055).

The spelling of 1005221054 in words is "one billion, five million, two hundred twenty-one thousand, fifty-four".