1054520805 has 64 divisors (see below), whose sum is σ = 1922215680. Its totient is φ = 489369600.

The previous prime is 1054520791. The next prime is 1054520821. The reversal of 1054520805 is 5080254501.

It is not a de Polignac number, because 1054520805 - 2⁵ = 1054520773 is a prime.

It is a super-2 number, since 2×1054520805² = 2224028256355696050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892315 + ... + 893495.

It is an arithmetic number, because the mean of its divisors is an integer number (30034620).

Almost surely, 2^1054520805 is an apocalyptic number.

1054520805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054520805 is a deficient number, since it is larger than the sum of its proper divisors (867694875).

1054520805 is a wasteful number, since it uses less digits than its factorization.

1054520805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1054520805 is about 32473.3861030845. The cubic root of 1054520805 is about 1017.8529761567.

The spelling of 1054520805 in words is "one billion, fifty-four million, five hundred twenty thousand, eight hundred five".