1262270226063 has 64 divisors (see below), whose sum is σ = 2105506529280. Its totient is φ = 653482598400.

The previous prime is 1262270226031. The next prime is 1262270226067. The reversal of 1262270226063 is 3606220722621.

It is a Cunningham number, because it is equal to 1123508²-1.

It is not a de Polignac number, because 1262270226063 - 2⁵ = 1262270226031 is a prime.

It is a super-2 number, since 2×1262270226063² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262270226067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86502898 + ... + 86517488.

It is an arithmetic number, because the mean of its divisors is an integer number (32898539520).

Almost surely, 2^{1262270226063} is an apocalyptic number.

1262270226063 is a deficient number, since it is larger than the sum of its proper divisors (843236303217).

1262270226063 is a wasteful number, since it uses less digits than its factorization.

1262270226063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15868.

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 1262270226063 its reverse (3606220722621), we get a palindrome (4868490948684).

The spelling of 1262270226063 in words is "one trillion, two hundred sixty-two billion, two hundred seventy million, two hundred twenty-six thousand, sixty-three".