1242262 has 16 divisors (see below), whose sum is σ = 2155680. Its totient is φ = 525888.

The previous prime is 1242251. The next prime is 1242271. The reversal of 1242262 is 2622421.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 748 + ... + 1744.

It is an arithmetic number, because the mean of its divisors is an integer number (134730).

2^1242262 is an apocalyptic number.

1242262 is a deficient number, since it is larger than the sum of its proper divisors (913418).

1242262 is an equidigital number, since it uses as much as digits as its factorization.

1242262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 384, while the sum is 19.

The square root of 1242262 is about 1114.5680777772. The cubic root of 1242262 is about 107.4989940414.

Adding to 1242262 its reverse (2622421), we get a palindrome (3864683).

The spelling of 1242262 in words is "one million, two hundred forty-two thousand, two hundred sixty-two".