1042373201240 has 128 divisors (see below), whose sum is σ = 2687574418560. Its totient is φ = 356428283904.

The previous prime is 1042373201183. The next prime is 1042373201251. The reversal of 1042373201240 is 421023732401.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 199189664 + ... + 199194896.

It is an arithmetic number, because the mean of its divisors is an integer number (20996675145).

Almost surely, 2^{1042373201240} is an apocalyptic number.

1042373201240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042373201240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343787209280).

1042373201240 is an abundant number, since it is smaller than the sum of its proper divisors (1645201217320).

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

1042373201240 is a wasteful number, since it uses less digits than its factorization.

1042373201240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021 (or 7017 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 1042373201240 its reverse (421023732401), we get a palindrome (1463396933641).

The spelling of 1042373201240 in words is "one trillion, forty-two billion, three hundred seventy-three million, two hundred one thousand, two hundred forty".