1242974193804 has 96 divisors (see below), whose sum is σ = 3686360025600. Its totient is φ = 354800537280.

The previous prime is 1242974193779. The next prime is 1242974193827. The reversal of 1242974193804 is 4083914792421.

1242974193804 is a `hidden beast` number, since 1 + 242 + 9 + 7 + 4 + 19 + 380 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 27307 + ... + 1576925.

It is an arithmetic number, because the mean of its divisors is an integer number (38399583600).

Almost surely, 2^{1242974193804} is an apocalyptic number.

1242974193804 is a gapful number since it is divisible by the number (14) 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 1242974193804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843180012800).

1242974193804 is an abundant number, since it is smaller than the sum of its proper divisors (2443385831796).

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

1242974193804 is a wasteful number, since it uses less digits than its factorization.

1242974193804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550700 (or 1550692 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1242974193804 in words is "one trillion, two hundred forty-two billion, nine hundred seventy-four million, one hundred ninety-three thousand, eight hundred four".