1181105342 has 16 divisors (see below), whose sum is σ = 1821419952. Its totient is φ = 573998400.

The previous prime is 1181105339. The next prime is 1181105351. The reversal of 1181105342 is 2435011811.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68717 + ... + 84167.

It is an arithmetic number, because the mean of its divisors is an integer number (113838747).

Almost surely, 2^1181105342 is an apocalyptic number.

1181105342 is a deficient number, since it is larger than the sum of its proper divisors (640314610).

1181105342 is a wasteful number, since it uses less digits than its factorization.

1181105342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1181105342 is about 34367.2131834980. The cubic root of 1181105342 is about 1057.0516568041.

The spelling of 1181105342 in words is "one billion, one hundred eighty-one million, one hundred five thousand, three hundred forty-two".