1042122204 has 18 divisors (see below), whose sum is σ = 2634253440. Its totient is φ = 347374056.

The previous prime is 1042122181. The next prime is 1042122209. The reversal of 1042122204 is 4022212401.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14473884 + ... + 14473955.

Almost surely, 2^1042122204 is an apocalyptic number.

It is an amenable number.

1042122204 is an abundant number, since it is smaller than the sum of its proper divisors (1592131236).

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

1042122204 is a wasteful number, since it uses less digits than its factorization.

1042122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28947849 (or 28947844 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1042122204 is about 32281.9176010348. The cubic root of 1042122204 is about 1013.8480801310.

Adding to 1042122204 its reverse (4022212401), we get a palindrome (5064334605).

The spelling of 1042122204 in words is "one billion, forty-two million, one hundred twenty-two thousand, two hundred four".