1242364 has 6 divisors (see below), whose sum is σ = 2174144. Its totient is φ = 621180.

The previous prime is 1242361. The next prime is 1242379. The reversal of 1242364 is 4632421.

It is a happy number.

It is a d-powerful number, because it can be written as 1 + 2³ + 4⁷ + 2⁵ + 3¹¹ + 6³ + 4¹⁰ .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155292 + ... + 155299.

2^1242364 is an apocalyptic number.

It is an amenable number.

1242364 is a deficient number, since it is larger than the sum of its proper divisors (931780).

1242364 is a wasteful number, since it uses less digits than its factorization.

1242364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310595 (or 310593 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1242364 is about 1114.6138344736. The cubic root of 1242364 is about 107.5019361468.

Adding to 1242364 its reverse (4632421), we get a palindrome (5874785).

The spelling of 1242364 in words is "one million, two hundred forty-two thousand, three hundred sixty-four".