1266260007 has 8 divisors (see below), whose sum is σ = 1742809600. Its totient is φ = 816941880.

The previous prime is 1266260003. The next prime is 1266260059. The reversal of 1266260007 is 7000626621.

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

It is not a de Polignac number, because 1266260007 - 2² = 1266260003 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 (1266260003) 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, 6807757 + ... + 6807942.

It is an arithmetic number, because the mean of its divisors is an integer number (217851200).

Almost surely, 2^1266260007 is an apocalyptic number.

1266260007 is a deficient number, since it is larger than the sum of its proper divisors (476549593).

1266260007 is a wasteful number, since it uses less digits than its factorization.

1266260007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615733.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1266260007 is about 35584.5473063801. The cubic root of 1266260007 is about 1081.8680538681.

Adding to 1266260007 its reverse (7000626621), we get a palindrome (8266886628).

The spelling of 1266260007 in words is "one billion, two hundred sixty-six million, two hundred sixty thousand, seven".