1266297802948 has 12 divisors (see below), whose sum is σ = 2221962233260. Its totient is φ = 631451450592.

The previous prime is 1266297802943. The next prime is 1266297802961. The reversal of 1266297802948 is 8492087926621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 686640935044 + 579656867904 = 828638^2 + 761352^2 .

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1266297802948.

It is not an unprimeable number, because it can be changed into a prime (1266297802943) 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, 424361043 + ... + 424364026.

Almost surely, 2^{1266297802948} is an apocalyptic number.

It is an amenable number.

1266297802948 is a deficient number, since it is larger than the sum of its proper divisors (955664430312).

1266297802948 is a wasteful number, since it uses less digits than its factorization.

1266297802948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848725446 (or 848725444 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 1266297802948 in words is "one trillion, two hundred sixty-six billion, two hundred ninety-seven million, eight hundred two thousand, nine hundred forty-eight".