1042381861247 has 8 divisors (see below), whose sum is σ = 1088638095744. Its totient is φ = 996203567128.

The previous prime is 1042381861229. The next prime is 1042381861303. The reversal of 1042381861247 is 7421681832401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042381861247 - 2²⁶ = 1042314752383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042381864247) 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, 19457753 + ... + 19511250.

It is an arithmetic number, because the mean of its divisors is an integer number (136079761968).

Almost surely, 2^{1042381861247} is an apocalyptic number.

1042381861247 is a deficient number, since it is larger than the sum of its proper divisors (46256234497).

1042381861247 is a wasteful number, since it uses less digits than its factorization.

1042381861247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38970189.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 1042381861247 in words is "one trillion, forty-two billion, three hundred eighty-one million, eight hundred sixty-one thousand, two hundred forty-seven".