1266300253 has 8 divisors (see below), whose sum is σ = 1273689216. Its totient is φ = 1258924800.

The previous prime is 1266300251. The next prime is 1266300257. The reversal of 1266300253 is 3520036621.

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

It is a cyclic number.

It is not a de Polignac number, because 1266300253 - 2¹ = 1266300251 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 (1266300251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230013 + ... + 235453.

It is an arithmetic number, because the mean of its divisors is an integer number (159211152).

Almost surely, 2^1266300253 is an apocalyptic number.

It is an amenable number.

1266300253 is a deficient number, since it is larger than the sum of its proper divisors (7388963).

1266300253 is a wasteful number, since it uses less digits than its factorization.

1266300253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1266300253 is about 35585.1128001584. The cubic root of 1266300253 is about 1081.8795155480.

Adding to 1266300253 its reverse (3520036621), we get a palindrome (4786336874).

The spelling of 1266300253 in words is "one billion, two hundred sixty-six million, three hundred thousand, two hundred fifty-three".