1161742342 has 8 divisors (see below), whose sum is σ = 1743164856. Its totient is φ = 580687392.

The previous prime is 1161742333. The next prime is 1161742369. The reversal of 1161742342 is 2432471611.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83848 + ... + 96715.

It is an arithmetic number, because the mean of its divisors is an integer number (217895607).

Almost surely, 2^1161742342 is an apocalyptic number.

1161742342 is a deficient number, since it is larger than the sum of its proper divisors (581422514).

1161742342 is a wasteful number, since it uses less digits than its factorization.

1161742342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183782.

The product of its digits is 8064, while the sum is 31.

The square root of 1161742342 is about 34084.3415955186. The cubic root of 1161742342 is about 1051.2433772393.

It can be divided in two parts, 1161742 and 342, that added together give a square (1162084 = 1078²).

The spelling of 1161742342 in words is "one billion, one hundred sixty-one million, seven hundred forty-two thousand, three hundred forty-two".