1262145336456 has 128 divisors (see below), whose sum is σ = 3247335982080. Its totient is φ = 408618053376.

The previous prime is 1262145336451. The next prime is 1262145336511. The reversal of 1262145336456 is 6546335412621.

It is not an unprimeable number, because it can be changed into a prime (1262145336451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254103685 + ... + 254108651.

It is an arithmetic number, because the mean of its divisors is an integer number (25369812360).

Almost surely, 2^{1262145336456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1262145336456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623667991040).

1262145336456 is an abundant number, since it is smaller than the sum of its proper divisors (1985190645624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1262145336456 is a wasteful number, since it uses less digits than its factorization.

1262145336456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003 (or 6999 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 1262145336456 in words is "one trillion, two hundred sixty-two billion, one hundred forty-five million, three hundred thirty-six thousand, four hundred fifty-six".