1042381861206 has 64 divisors (see below), whose sum is σ = 2403819307008. Its totient is φ = 295181142048.

The previous prime is 1042381861177. The next prime is 1042381861229. The reversal of 1042381861206 is 6021681832401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1880941 + ... + 2371223.

It is an arithmetic number, because the mean of its divisors is an integer number (37559676672).

Almost surely, 2^{1042381861206} is an apocalyptic number.

1042381861206 is an abundant number, since it is smaller than the sum of its proper divisors (1361437445802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042381861206 is a wasteful number, since it uses less digits than its factorization.

1042381861206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490745.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 1042381861206 in words is "one trillion, forty-two billion, three hundred eighty-one million, eight hundred sixty-one thousand, two hundred six".