2153122005 has 8 divisors (see below), whose sum is σ = 3444995232. Its totient is φ = 1148331728.

The previous prime is 2153121947. The next prime is 2153122033. The reversal of 2153122005 is 5002213512.

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 2153122005 - 2⁹ = 2153121493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71770719 + ... + 71770748.

It is an arithmetic number, because the mean of its divisors is an integer number (430624404).

Almost surely, 2^2153122005 is an apocalyptic number.

It is an amenable number.

2153122005 is a deficient number, since it is larger than the sum of its proper divisors (1291873227).

2153122005 is a wasteful number, since it uses less digits than its factorization.

2153122005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143541475.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2153122005 is about 46401.7457106950. The cubic root of 2153122005 is about 1291.2873003878.

Adding to 2153122005 its reverse (5002213512), we get a palindrome (7155335517).

The spelling of 2153122005 in words is "two billion, one hundred fifty-three million, one hundred twenty-two thousand, five".