1051232005 has 8 divisors (see below), whose sum is σ = 1292246424. Its totient is φ = 820473600.

The previous prime is 1051231999. The next prime is 1051232023. The reversal of 1051232005 is 5002321501.

It can be written as a sum of positive squares in 4 ways, for example, as 73856836 + 977375169 = 8594^2 + 31263^2 .

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

It is not a de Polignac number, because 1051232005 - 2⁷ = 1051231877 is a prime.

It is a super-2 number, since 2×1051232005² = 2210177456672640050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563776 + ... + 2564185.

It is an arithmetic number, because the mean of its divisors is an integer number (161530803).

Almost surely, 2^1051232005 is an apocalyptic number.

It is an amenable number.

1051232005 is a deficient number, since it is larger than the sum of its proper divisors (241014419).

1051232005 is an equidigital number, since it uses as much as digits as its factorization.

1051232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128007.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1051232005 is about 32422.7081688128. The cubic root of 1051232005 is about 1016.7937269606.

Adding to 1051232005 its reverse (5002321501), we get a palindrome (6053553506).

The spelling of 1051232005 in words is "one billion, fifty-one million, two hundred thirty-two thousand, five".