1242366 has 8 divisors (see below), whose sum is σ = 2484744. Its totient is φ = 414120.

The previous prime is 1242361. The next prime is 1242379. The reversal of 1242366 is 6632421.

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

1242366 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103525 + ... + 103536.

It is an arithmetic number, because the mean of its divisors is an integer number (310593).

2^1242366 is an apocalyptic number.

1242366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242366 is a wasteful number, since it uses less digits than its factorization.

1242366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207066.

The product of its digits is 1728, while the sum is 24.

The square root of 1242366 is about 1114.6147316450. The cubic root of 1242366 is about 107.5019938336.

Adding to 1242366 its reverse (6632421), we get a palindrome (7874787).

It can be divided in two parts, 12423 and 66, that multiplied together give a palindrome (819918).

The spelling of 1242366 in words is "one million, two hundred forty-two thousand, three hundred sixty-six".