1242502 has 8 divisors (see below), whose sum is σ = 1882512. Its totient is φ = 615000.

The previous prime is 1242487. The next prime is 1242503. The reversal of 1242502 is 2052421.

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

It is a super-2 number, since 2×1242502² = 3087622440008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242503) 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, 2874 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (235314).

2^1242502 is an apocalyptic number.

1242502 is a deficient number, since it is larger than the sum of its proper divisors (640010).

1242502 is a wasteful number, since it uses less digits than its factorization.

1242502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1242502 is about 1114.6757376026. The cubic root of 1242502 is about 107.5059163861.

Adding to 1242502 its reverse (2052421), we get a palindrome (3294923).

The spelling of 1242502 in words is "one million, two hundred forty-two thousand, five hundred two".