1284342907 has 2 divisors, whose sum is σ = 1284342908. Its totient is φ = 1284342906.

The previous prime is 1284342901. The next prime is 1284342919. The reversal of 1284342907 is 7092434821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1284342907 - 2¹¹ = 1284340859 is a prime.

It is a super-2 number, since 2×1284342907² = 3299073405522421298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1284342907.

It is not a weakly prime, because it can be changed into another prime (1284342901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642171453 + 642171454.

It is an arithmetic number, because the mean of its divisors is an integer number (642171454).

Almost surely, 2^1284342907 is an apocalyptic number.

1284342907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284342907 is an equidigital number, since it uses as much as digits as its factorization.

1284342907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1284342907 is about 35837.7302155145. The cubic root of 1284342907 is about 1086.9936253878.

The spelling of 1284342907 in words is "one billion, two hundred eighty-four million, three hundred forty-two thousand, nine hundred seven".