1240801248771 has 96 divisors (see below), whose sum is σ = 2098921144320. Its totient is φ = 691792291008.

The previous prime is 1240801248769. The next prime is 1240801248787. The reversal of 1240801248771 is 1778421080421.

1240801248771 is a `hidden beast` number, since 1 + 24 + 0 + 80 + 1 + 2 + 487 + 71 = 666.

It is not a de Polignac number, because 1240801248771 - 2¹ = 1240801248769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240801248721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 118993660 + ... + 119004086.

It is an arithmetic number, because the mean of its divisors is an integer number (21863761920).

Almost surely, 2^{1240801248771} is an apocalyptic number.

1240801248771 is a deficient number, since it is larger than the sum of its proper divisors (858119895549).

1240801248771 is a wasteful number, since it uses less digits than its factorization.

1240801248771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The spelling of 1240801248771 in words is "one trillion, two hundred forty billion, eight hundred one million, two hundred forty-eight thousand, seven hundred seventy-one".