1292266494841 has 27 divisors (see below), whose sum is σ = 1511597992197. Its totient is φ = 1101538851000.

The previous prime is 1292266494833. The next prime is 1292266494881. The reversal of 1292266494841 is 1484946622921.

The square root of 1292266494841 is 1136779.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1292266494841 - 2³ = 1292266494833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1292266494881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1997320380 + ... + 1997321026.

Almost surely, 2^{1292266494841} is an apocalyptic number.

1292266494841 is the 1136779-th square number.

1292266494841 is the 568390-th centered octagonal number.

It is an amenable number.

1292266494841 is a deficient number, since it is larger than the sum of its proper divisors (219331497356).

1292266494841 is an frugal number, since it uses more digits than its factorization.

1292266494841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 905 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The spelling of 1292266494841 in words is "one trillion, two hundred ninety-two billion, two hundred sixty-six million, four hundred ninety-four thousand, eight hundred forty-one".