1042121264104 has 16 divisors (see below), whose sum is σ = 1954594008900. Its totient is φ = 520896195072.

The previous prime is 1042121264057. The next prime is 1042121264141. The reversal of 1042121264104 is 4014621212401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1036466524900 + 5654739204 = 1018070^2 + 75198^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 20527687 + ... + 20578390.

Almost surely, 2^{1042121264104} is an apocalyptic number.

It is an amenable number.

1042121264104 is a deficient number, since it is larger than the sum of its proper divisors (912472744796).

1042121264104 is a wasteful number, since it uses less digits than its factorization.

1042121264104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41109252 (or 41109248 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1042121264104 its reverse (4014621212401), we get a palindrome (5056742476505).

The spelling of 1042121264104 in words is "one trillion, forty-two billion, one hundred twenty-one million, two hundred sixty-four thousand, one hundred four".