1244321122 has 16 divisors (see below), whose sum is σ = 2044909152. Its totient is φ = 563170720.

The previous prime is 1244321107. The next prime is 1244321123. The reversal of 1244321122 is 2211234421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1244321093 and 1244321102.

It is not an unprimeable number, because it can be changed into a prime (1244321123) 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, 116248 + ... + 126499.

It is an arithmetic number, because the mean of its divisors is an integer number (127806822).

Almost surely, 2^1244321122 is an apocalyptic number.

1244321122 is a deficient number, since it is larger than the sum of its proper divisors (800588030).

1244321122 is a wasteful number, since it uses less digits than its factorization.

1244321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242993.

The product of its digits is 768, while the sum is 22.

The square root of 1244321122 is about 35274.9361728693. The cubic root of 1244321122 is about 1075.5835654680.

Adding to 1244321122 its reverse (2211234421), we get a palindrome (3455555543).

The spelling of 1244321122 in words is "one billion, two hundred forty-four million, three hundred twenty-one thousand, one hundred twenty-two".