1791112342 has 4 divisors (see below), whose sum is σ = 2686668516. Its totient is φ = 895556170.

The previous prime is 1791112339. The next prime is 1791112343. The reversal of 1791112342 is 2432111971.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791112343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447778084 + ... + 447778087.

It is an arithmetic number, because the mean of its divisors is an integer number (671667129).

Almost surely, 2^1791112342 is an apocalyptic number.

1791112342 is a deficient number, since it is larger than the sum of its proper divisors (895556174).

1791112342 is an equidigital number, since it uses as much as digits as its factorization.

1791112342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895556173.

The product of its digits is 3024, while the sum is 31.

The square root of 1791112342 is about 42321.5352037234. The cubic root of 1791112342 is about 1214.4350011256.

The spelling of 1791112342 in words is "one billion, seven hundred ninety-one million, one hundred twelve thousand, three hundred forty-two".