1240319 has 2 divisors, whose sum is σ = 1240320. Its totient is φ = 1240318.

The previous prime is 1240307. The next prime is 1240333. The reversal of 1240319 is 9130421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240319 - 2¹⁶ = 1174783 is a prime.

It is a super-2 number, since 2×1240319² = 3076782443522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620159 + 620160.

It is an arithmetic number, because the mean of its divisors is an integer number (620160).

2^1240319 is an apocalyptic number.

1240319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240319 is an equidigital number, since it uses as much as digits as its factorization.

1240319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1240319 is about 1113.6960985835. The cubic root of 1240319 is about 107.4429190382.

The spelling of 1240319 in words is "one million, two hundred forty thousand, three hundred nineteen".