1197802882542 has 32 divisors (see below), whose sum is σ = 2739722160384. Its totient is φ = 341993520000.

The previous prime is 1197802882501. The next prime is 1197802882543. The reversal of 1197802882542 is 2452882087911.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197802882543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9766459 + ... + 9888342.

It is an arithmetic number, because the mean of its divisors is an integer number (85616317512).

Almost surely, 2^{1197802882542} is an apocalyptic number.

1197802882542 is an abundant number, since it is smaller than the sum of its proper divisors (1541919277842).

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

1197802882542 is a wasteful number, since it uses less digits than its factorization.

1197802882542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656264.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 1197802882542 in words is "one trillion, one hundred ninety-seven billion, eight hundred two million, eight hundred eighty-two thousand, five hundred forty-two".