1044020122 has 4 divisors (see below), whose sum is σ = 1566030186. Its totient is φ = 522010060.

The previous prime is 1044020093. The next prime is 1044020141. The reversal of 1044020122 is 2210204401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210204401 = 7349 ⋅300749.

It can be written as a sum of positive squares in only one way, i.e., 692795041 + 351225081 = 26321^2 + 18741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1044020096 and 1044020105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261005029 + ... + 261005032.

Almost surely, 2^1044020122 is an apocalyptic number.

1044020122 is a deficient number, since it is larger than the sum of its proper divisors (522010064).

1044020122 is an equidigital number, since it uses as much as digits as its factorization.

1044020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522010063.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1044020122 is about 32311.3002214396. The cubic root of 1044020122 is about 1014.4631818829.

Adding to 1044020122 its reverse (2210204401), we get a palindrome (3254224523).

The spelling of 1044020122 in words is "one billion, forty-four million, twenty thousand, one hundred twenty-two".