1042420004 has 12 divisors (see below), whose sum is σ = 1824468828. Its totient is φ = 521143200.

The previous prime is 1042419913. The next prime is 1042420031. The reversal of 1042420004 is 4000242401.

It can be written as a sum of positive squares in 2 ways, for example, as 820707904 + 221712100 = 28648^2 + 14890^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39194 + ... + 60174.

It is an arithmetic number, because the mean of its divisors is an integer number (152039069).

Almost surely, 2^1042420004 is an apocalyptic number.

It is an amenable number.

1042420004 is a deficient number, since it is larger than the sum of its proper divisors (782048824).

1042420004 is a wasteful number, since it uses less digits than its factorization.

1042420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33406 (or 33404 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1042420004 is about 32286.5297608771. The cubic root of 1042420004 is about 1013.9446443670.

Adding to 1042420004 its reverse (4000242401), we get a palindrome (5042662405).

The spelling of 1042420004 in words is "one billion, forty-two million, four hundred twenty thousand, four".