1242122 has 24 divisors (see below), whose sum is σ = 2269344. Its totient is φ = 499392.

The previous prime is 1242121. The next prime is 1242151. The reversal of 1242122 is 2212421.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1242097 and 1242106.

It is not an unprimeable number, because it can be changed into a prime (1242121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3893 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (94556).

2^1242122 is an apocalyptic number.

1242122 is a deficient number, since it is larger than the sum of its proper divisors (1027222).

1242122 is a wasteful number, since it uses less digits than its factorization.

1242122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 333 counting only the distinct ones).

The product of its digits is 64, while the sum is 14.

The square root of 1242122 is about 1114.5052714097. The cubic root of 1242122 is about 107.4949555953.

Adding to 1242122 its reverse (2212421), we get a palindrome (3454543).

Subtracting 1242122 from its reverse (2212421), we obtain a cube (970299 = 99³).

The spelling of 1242122 in words is "one million, two hundred forty-two thousand, one hundred twenty-two".