1260144215 has 16 divisors (see below), whose sum is σ = 1663285536. Its totient is φ = 916463680.

The previous prime is 1260144191. The next prime is 1260144251. The reversal of 1260144215 is 5124410621.

It is not a de Polignac number, because 1260144215 - 2⁸ = 1260143959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88022 + ... + 101331.

It is an arithmetic number, because the mean of its divisors is an integer number (103955346).

Almost surely, 2^1260144215 is an apocalyptic number.

1260144215 is a deficient number, since it is larger than the sum of its proper divisors (403141321).

1260144215 is an equidigital number, since it uses as much as digits as its factorization.

1260144215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189391 (or 189369 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1260144215 is about 35498.5100391552. The cubic root of 1260144215 is about 1080.1235041088.

Adding to 1260144215 its reverse (5124410621), we get a palindrome (6384554836).

The spelling of 1260144215 in words is "one billion, two hundred sixty million, one hundred forty-four thousand, two hundred fifteen".