1242452 has 12 divisors (see below), whose sum is σ = 2182656. Its totient is φ = 618840.

The previous prime is 1242421. The next prime is 1242457. The reversal of 1242452 is 2542421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (181888).

2^1242452 is an apocalyptic number.

It is an amenable number.

1242452 is a deficient number, since it is larger than the sum of its proper divisors (940204).

1242452 is a wasteful number, since it uses less digits than its factorization.

1242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 1242452 is about 1114.6533093299. The cubic root of 1242452 is about 107.5044743045.

Adding to 1242452 its reverse (2542421), we get a palindrome (3784873).

The spelling of 1242452 in words is "one million, two hundred forty-two thousand, four hundred fifty-two".