1260215570 has 16 divisors (see below), whose sum is σ = 2272734720. Its totient is φ = 503120304.

The previous prime is 1260215569. The next prime is 1260215587. The reversal of 1260215570 is 755120621.

It is a Curzon 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, 115250 + ... + 125709.

It is an arithmetic number, because the mean of its divisors is an integer number (142045920).

Almost surely, 2^1260215570 is an apocalyptic number.

1260215570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260215570 is a deficient number, since it is larger than the sum of its proper divisors (1012519150).

1260215570 is a wasteful number, since it uses less digits than its factorization.

1260215570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241489.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1260215570 is about 35499.5150671104. The cubic root of 1260215570 is about 1080.1438908648.

The spelling of 1260215570 in words is "one billion, two hundred sixty million, two hundred fifteen thousand, five hundred seventy".