1243122 has 8 divisors (see below), whose sum is σ = 2486256. Its totient is φ = 414372.

The previous prime is 1243111. The next prime is 1243129. The reversal of 1243122 is 2213421.

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

1243122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1243129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103588 + ... + 103599.

It is an arithmetic number, because the mean of its divisors is an integer number (310782).

2^1243122 is an apocalyptic number.

1243122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243122 is a wasteful number, since it uses less digits than its factorization.

1243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207192.

The product of its digits is 96, while the sum is 15.

The square root of 1243122 is about 1114.9538107025. The cubic root of 1243122 is about 107.5237949850.

Adding to 1243122 its reverse (2213421), we get a palindrome (3456543).

Subtracting 1243122 from its reverse (2213421), we obtain a cube (970299 = 99³).

It can be divided in two parts, 12 and 43122, that added together give a palindrome (43134).

The spelling of 1243122 in words is "one million, two hundred forty-three thousand, one hundred twenty-two".