1260842260 has 12 divisors (see below), whose sum is σ = 2647768788. Its totient is φ = 504336896.

The previous prime is 1260842249. The next prime is 1260842273. The reversal of 1260842260 is 622480621.

It can be written as a sum of positive squares in 2 ways, for example, as 716739984 + 544102276 = 26772^2 + 23326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31521037 + ... + 31521076.

It is an arithmetic number, because the mean of its divisors is an integer number (220647399).

Almost surely, 2^1260842260 is an apocalyptic number.

1260842260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260842260 is an abundant number, since it is smaller than the sum of its proper divisors (1386926528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260842260 is a wasteful number, since it uses less digits than its factorization.

1260842260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63042122 (or 63042120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1260842260 is about 35508.3407103176. The cubic root of 1260842260 is about 1080.3229087024.

The spelling of 1260842260 in words is "one billion, two hundred sixty million, eight hundred forty-two thousand, two hundred sixty".