1165117142 has 8 divisors (see below), whose sum is σ = 1997343696. Its totient is φ = 499335912.

The previous prime is 1165117139. The next prime is 1165117153. The reversal of 1165117142 is 2417115611.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41611313 + ... + 41611340.

It is an arithmetic number, because the mean of its divisors is an integer number (249667962).

Almost surely, 2^1165117142 is an apocalyptic number.

1165117142 is a deficient number, since it is larger than the sum of its proper divisors (832226554).

1165117142 is an equidigital number, since it uses as much as digits as its factorization.

1165117142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83222662.

The product of its digits is 1680, while the sum is 29.

The square root of 1165117142 is about 34133.8122980718. The cubic root of 1165117142 is about 1052.2603285965.

The spelling of 1165117142 in words is "one billion, one hundred sixty-five million, one hundred seventeen thousand, one hundred forty-two".