2152120415 has 8 divisors (see below), whose sum is σ = 2588511408. Its totient is φ = 1717718400.

The previous prime is 2152120387. The next prime is 2152120417. The reversal of 2152120415 is 5140212512.

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

It is not a de Polignac number, because 2152120415 - 2⁶ = 2152120351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152120417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494861 + ... + 499190.

It is an arithmetic number, because the mean of its divisors is an integer number (323563926).

Almost surely, 2^2152120415 is an apocalyptic number.

2152120415 is a deficient number, since it is larger than the sum of its proper divisors (436390993).

2152120415 is an equidigital number, since it uses as much as digits as its factorization.

2152120415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994489.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2152120415 is about 46390.9518656386. The cubic root of 2152120415 is about 1291.0870421827.

Adding to 2152120415 its reverse (5140212512), we get a palindrome (7292332927).

The spelling of 2152120415 in words is "two billion, one hundred fifty-two million, one hundred twenty thousand, four hundred fifteen".