1042304050421 has 4 divisors (see below), whose sum is σ = 1056582188172. Its totient is φ = 1028025912672.

The previous prime is 1042304050409. The next prime is 1042304050457. The reversal of 1042304050421 is 1240504032401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 747384456196 + 294919594225 = 864514^2 + 543065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042304050421 - 2³⁰ = 1041230308597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042304050721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139068766 + ... + 7139068911.

It is an arithmetic number, because the mean of its divisors is an integer number (264145547043).

Almost surely, 2^{1042304050421} is an apocalyptic number.

It is an amenable number.

1042304050421 is a deficient number, since it is larger than the sum of its proper divisors (14278137751).

1042304050421 is an equidigital number, since it uses as much as digits as its factorization.

1042304050421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278137750.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1042304050421 its reverse (1240504032401), we get a palindrome (2282808082822).

The spelling of 1042304050421 in words is "one trillion, forty-two billion, three hundred four million, fifty thousand, four hundred twenty-one".