1154681342722 has 8 divisors (see below), whose sum is σ = 1732165039116. Its totient is φ = 577292996352.

The previous prime is 1154681342707. The next prime is 1154681342723. The reversal of 1154681342722 is 2272431864511.

It is a happy number.

It is a Cunningham number, because it is equal to 1074561²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1154681342721 + 1 = 1074561^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1154681342723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23807223 + ... + 23855674.

Almost surely, 2^{1154681342722} is an apocalyptic number.

1154681342722 is a deficient number, since it is larger than the sum of its proper divisors (577483696394).

1154681342722 is a wasteful number, since it uses less digits than its factorization.

1154681342722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47675012.

The product of its digits is 645120, while the sum is 46.

The spelling of 1154681342722 in words is "one trillion, one hundred fifty-four billion, six hundred eighty-one million, three hundred forty-two thousand, seven hundred twenty-two".