1240366763 has 2 divisors, whose sum is σ = 1240366764. Its totient is φ = 1240366762.

The previous prime is 1240366753. The next prime is 1240366769. The reversal of 1240366763 is 3676630421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240366763 - 2⁸ = 1240366507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240366769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620183381 + 620183382.

It is an arithmetic number, because the mean of its divisors is an integer number (620183382).

Almost surely, 2^1240366763 is an apocalyptic number.

1240366763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240366763 is an equidigital number, since it uses as much as digits as its factorization.

1240366763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 1240366763 is about 35218.8410229525. The cubic root of 1240366763 is about 1074.4429818077.

The spelling of 1240366763 in words is "one billion, two hundred forty million, three hundred sixty-six thousand, seven hundred sixty-three".