1042001130042 has 48 divisors (see below), whose sum is σ = 2341628557632. Its totient is φ = 347282964000.

The previous prime is 1042001130031. The next prime is 1042001130043. The reversal of 1042001130042 is 2400311002401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1042001129997 and 1042001130024.

It is not an unprimeable number, because it can be changed into a prime (1042001130043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3249363 + ... + 3555609.

It is an arithmetic number, because the mean of its divisors is an integer number (48783928284).

Almost surely, 2^{1042001130042} is an apocalyptic number.

1042001130042 is an abundant number, since it is smaller than the sum of its proper divisors (1299627427590).

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

1042001130042 is an equidigital number, since it uses as much as digits as its factorization.

1042001130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313265 (or 313253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1042001130042 its reverse (2400311002401), we get a palindrome (3442312132443).

The spelling of 1042001130042 in words is "one trillion, forty-two billion, one million, one hundred thirty thousand, forty-two".