1242022 has 16 divisors (see below), whose sum is σ = 1939392. Its totient is φ = 596160.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242022 is 2202421.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1241993 and 1242011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (121212).

2^1242022 is an apocalyptic number.

1242022 is a deficient number, since it is larger than the sum of its proper divisors (697370).

1242022 is a wasteful number, since it uses less digits than its factorization.

1242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1242022 is about 1114.4604075516. The cubic root of 1242022 is about 107.4920708051.

Adding to 1242022 its reverse (2202421), we get a palindrome (3444443).

The spelling of 1242022 in words is "one million, two hundred forty-two thousand, twenty-two".