1240802475371 has 2 divisors, whose sum is σ = 1240802475372. Its totient is φ = 1240802475370.

The previous prime is 1240802475329. The next prime is 1240802475389. The reversal of 1240802475371 is 1735742080421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1735742080421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240802475371 - 2¹⁰ = 1240802474347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240802475071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620401237685 + 620401237686.

It is an arithmetic number, because the mean of its divisors is an integer number (620401237686).

Almost surely, 2^{1240802475371} is an apocalyptic number.

1240802475371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240802475371 is an equidigital number, since it uses as much as digits as its factorization.

1240802475371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 1240802475371 in words is "one trillion, two hundred forty billion, eight hundred two million, four hundred seventy-five thousand, three hundred seventy-one".