1042338780129 has 8 divisors (see below), whose sum is σ = 1390040678080. Its totient is φ = 694764701136.

The previous prime is 1042338780073. The next prime is 1042338780137. The reversal of 1042338780129 is 9210878332401.

It is a happy number.

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

It is not a de Polignac number, because 1042338780129 - 2⁸ = 1042338779873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042338780199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31935709 + ... + 31968330.

It is an arithmetic number, because the mean of its divisors is an integer number (173755084760).

Almost surely, 2^{1042338780129} is an apocalyptic number.

It is an amenable number.

1042338780129 is a deficient number, since it is larger than the sum of its proper divisors (347701897951).

1042338780129 is an equidigital number, since it uses as much as digits as its factorization.

1042338780129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63909479.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 1042338780129 in words is "one trillion, forty-two billion, three hundred thirty-eight million, seven hundred eighty thousand, one hundred twenty-nine".