1240359 has 16 divisors (see below), whose sum is σ = 1749600. Its totient is φ = 780416.

The previous prime is 1240333. The next prime is 1240361. The reversal of 1240359 is 9530421.

It is a cyclic number.

It is not a de Polignac number, because 1240359 - 2⁷ = 1240231 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (109350).

2^1240359 is an apocalyptic number.

1240359 is a deficient number, since it is larger than the sum of its proper divisors (509241).

1240359 is a wasteful number, since it uses less digits than its factorization.

1240359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1240359 is about 1113.7140566591. The cubic root of 1240359 is about 107.4440740288. Note that the first 3 decimals are identical.

The spelling of 1240359 in words is "one million, two hundred forty thousand, three hundred fifty-nine".