1260873315 has 48 divisors (see below), whose sum is σ = 2366975520. Its totient is φ = 617218560.

The previous prime is 1260873311. The next prime is 1260873319. The reversal of 1260873315 is 5133780621.

1260873315 is a `hidden beast` number, since 1 + 2 + 608 + 7 + 33 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (1260873311) and next prime (1260873319).

It is not a de Polignac number, because 1260873315 - 2² = 1260873311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260873315.

It is not an unprimeable number, because it can be changed into a prime (1260873311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98695 + ... + 110735.

It is an arithmetic number, because the mean of its divisors is an integer number (49311990).

Almost surely, 2^1260873315 is an apocalyptic number.

1260873315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1260873315 is a deficient number, since it is larger than the sum of its proper divisors (1106102205).

1260873315 is a wasteful number, since it uses less digits than its factorization.

1260873315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1260873315 is about 35508.7779992497. Note that the first 3 decimals coincide. The cubic root of 1260873315 is about 1080.3317782107.

The spelling of 1260873315 in words is "one billion, two hundred sixty million, eight hundred seventy-three thousand, three hundred fifteen".