1042212404 has 24 divisors (see below), whose sum is σ = 1972252800. Its totient is φ = 480016256.

The previous prime is 1042212373. The next prime is 1042212407. The reversal of 1042212404 is 4042122401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042212407) 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 7 ways as a sum of consecutive naturals, for example, 159854 + ... + 166245.

It is an arithmetic number, because the mean of its divisors is an integer number (82177200).

Almost surely, 2^1042212404 is an apocalyptic number.

It is an amenable number.

1042212404 is a deficient number, since it is larger than the sum of its proper divisors (930040396).

1042212404 is a wasteful number, since it uses less digits than its factorization.

1042212404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326167 (or 326165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042212404 is about 32283.3146377506. The cubic root of 1042212404 is about 1013.8773302062.

Adding to 1042212404 its reverse (4042122401), we get a palindrome (5084334805).

The spelling of 1042212404 in words is "one billion, forty-two million, two hundred twelve thousand, four hundred four".