1042121120434 has 8 divisors (see below), whose sum is σ = 1588807610028. Its totient is φ = 512518583760.

The previous prime is 1042121120401. The next prime is 1042121120473. The reversal of 1042121120434 is 4340211212401.

It can be written as a sum of positive squares in 2 ways, for example, as 1042038764809 + 82355625 = 1020803^2 + 9075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1042121120399 and 1042121120408.

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, 4270988077 + ... + 4270988320.

Almost surely, 2^{1042121120434} is an apocalyptic number.

1042121120434 is a deficient number, since it is larger than the sum of its proper divisors (546686489594).

1042121120434 is an equidigital number, since it uses as much as digits as its factorization.

1042121120434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541976460.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1042121120434 its reverse (4340211212401), we get a palindrome (5382332332835).

The spelling of 1042121120434 in words is "one trillion, forty-two billion, one hundred twenty-one million, one hundred twenty thousand, four hundred thirty-four".