1051005005 has 8 divisors (see below), whose sum is σ = 1275377400. Its totient is φ = 831356416.

The previous prime is 1051004989. The next prime is 1051005041. The reversal of 1051005005 is 5005001501.

It can be written as a sum of positive squares in 4 ways, for example, as 10426441 + 1040578564 = 3229^2 + 32258^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1051005005 - 2⁴ = 1051004989 is a prime.

It is a super-2 number, since 2×1051005005² = 2209223041070100050, 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 7 ways as a sum of consecutive naturals, for example, 1180460 + ... + 1181349.

It is an arithmetic number, because the mean of its divisors is an integer number (159422175).

Almost surely, 2^1051005005 is an apocalyptic number.

It is an amenable number.

1051005005 is a deficient number, since it is larger than the sum of its proper divisors (224372395).

1051005005 is an equidigital number, since it uses as much as digits as its factorization.

1051005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361903.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1051005005 is about 32419.2073468800. The cubic root of 1051005005 is about 1016.7205338594.

Adding to 1051005005 its reverse (5005001501), we get a palindrome (6056006506).

The spelling of 1051005005 in words is "one billion, fifty-one million, five thousand, five".