1244426122 has 4 divisors (see below), whose sum is σ = 1866639186. Its totient is φ = 622213060.

The previous prime is 1244426111. The next prime is 1244426153. The reversal of 1244426122 is 2216244421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 850363921 + 394062201 = 29161^2 + 19851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311106529 + ... + 311106532.

Almost surely, 2^1244426122 is an apocalyptic number.

1244426122 is a deficient number, since it is larger than the sum of its proper divisors (622213064).

1244426122 is an equidigital number, since it uses as much as digits as its factorization.

1244426122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622213063.

The product of its digits is 6144, while the sum is 28.

The square root of 1244426122 is about 35276.4244503323. The cubic root of 1244426122 is about 1075.6138184029.

The spelling of 1244426122 in words is "one billion, two hundred forty-four million, four hundred twenty-six thousand, one hundred twenty-two".