1260540366 has 8 divisors (see below), whose sum is σ = 2521080744. Its totient is φ = 420180120.

The previous prime is 1260540343. The next prime is 1260540371. The reversal of 1260540366 is 6630450621.

It is a sphenic number, since it is the product of 3 distinct primes.

1260540366 is an admirable number.

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, 105045025 + ... + 105045036.

It is an arithmetic number, because the mean of its divisors is an integer number (315135093).

Almost surely, 2^1260540366 is an apocalyptic number.

1260540366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1260540366 is a wasteful number, since it uses less digits than its factorization.

1260540366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210090066.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1260540366 is about 35504.0894264309. The cubic root of 1260540366 is about 1080.2366782387.

Adding to 1260540366 its reverse (6630450621), we get a palindrome (7890990987).

The spelling of 1260540366 in words is "one billion, two hundred sixty million, five hundred forty thousand, three hundred sixty-six".