1260545355 has 16 divisors (see below), whose sum is σ = 2240969760. Its totient is φ = 672290784.

The previous prime is 1260545353. The next prime is 1260545371. The reversal of 1260545355 is 5535450621.

1260545355 is a `hidden beast` number, since 1 + 2 + 60 + 545 + 3 + 55 = 666.

It is not a de Polignac number, because 1260545355 - 2¹ = 1260545353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260545353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668552 + ... + 4668821.

It is an arithmetic number, because the mean of its divisors is an integer number (140060610).

Almost surely, 2^1260545355 is an apocalyptic number.

1260545355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1260545355 is a deficient number, since it is larger than the sum of its proper divisors (980424405).

1260545355 is an equidigital number, since it uses as much as digits as its factorization.

1260545355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337387 (or 9337381 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 1260545355 is about 35504.1596858734. The cubic root of 1260545355 is about 1080.2381033666.

Adding to 1260545355 its reverse (5535450621), we get a palindrome (6795995976).

The spelling of 1260545355 in words is "one billion, two hundred sixty million, five hundred forty-five thousand, three hundred fifty-five".