1260276253 has 4 divisors (see below), whose sum is σ = 1261010268. Its totient is φ = 1259542240.

The previous prime is 1260276247. The next prime is 1260276257. The reversal of 1260276253 is 3526720621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1058721444 + 201554809 = 32538^2 + 14197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260276253 - 2⁵ = 1260276221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260276257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364426 + ... + 367867.

It is an arithmetic number, because the mean of its divisors is an integer number (315252567).

Almost surely, 2^1260276253 is an apocalyptic number.

It is an amenable number.

1260276253 is a deficient number, since it is larger than the sum of its proper divisors (734015).

1260276253 is an equidigital number, since it uses as much as digits as its factorization.

1260276253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734014.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1260276253 is about 35500.3697586377. The cubic root of 1260276253 is about 1080.1612279303.

Adding to 1260276253 its reverse (3526720621), we get a palindrome (4786996874).

The spelling of 1260276253 in words is "one billion, two hundred sixty million, two hundred seventy-six thousand, two hundred fifty-three".