1240367 has 8 divisors (see below), whose sum is σ = 1305600. Its totient is φ = 1176120.

The previous prime is 1240363. The next prime is 1240387. The reversal of 1240367 is 7630421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240367 - 2² = 1240363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

2^1240367 is an apocalyptic number.

1240367 is a deficient number, since it is larger than the sum of its proper divisors (65233).

1240367 is a wasteful number, since it uses less digits than its factorization.

1240367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1240367 is about 1113.7176482394. The cubic root of 1240367 is about 107.4443050240. Note that the first 3 decimals are identical.

Adding to 1240367 its reverse (7630421), we get a palindrome (8870788).

The spelling of 1240367 in words is "one million, two hundred forty thousand, three hundred sixty-seven".