1240767347 has 2 divisors, whose sum is σ = 1240767348. Its totient is φ = 1240767346.

The previous prime is 1240767337. The next prime is 1240767391. The reversal of 1240767347 is 7437670421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240767347 - 2⁴ = 1240767331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240767337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620383673 + 620383674.

It is an arithmetic number, because the mean of its divisors is an integer number (620383674).

Almost surely, 2^1240767347 is an apocalyptic number.

1240767347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240767347 is an equidigital number, since it uses as much as digits as its factorization.

1240767347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 1240767347 is about 35224.5276334545. The cubic root of 1240767347 is about 1074.5586353263.

The spelling of 1240767347 in words is "one billion, two hundred forty million, seven hundred sixty-seven thousand, three hundred forty-seven".