1260291170 has 16 divisors (see below), whose sum is σ = 2283751800. Its totient is φ = 500732544.

The previous prime is 1260291157. The next prime is 1260291217. The reversal of 1260291170 is 711920621.

It can be written as a sum of positive squares in 4 ways, for example, as 389628121 + 870663049 = 19739^2 + 29507^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421427 + ... + 424406.

Almost surely, 2^1260291170 is an apocalyptic number.

1260291170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260291170 is a deficient number, since it is larger than the sum of its proper divisors (1023460630).

1260291170 is a wasteful number, since it uses less digits than its factorization.

1260291170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845989.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1260291170 is about 35500.5798544193. The cubic root of 1260291170 is about 1080.1654896154.

The spelling of 1260291170 in words is "one billion, two hundred sixty million, two hundred ninety-one thousand, one hundred seventy".