1165856242 has 8 divisors (see below), whose sum is σ = 1750503600. Its totient is φ = 582355044.

The previous prime is 1165856227. The next prime is 1165856249. The reversal of 1165856242 is 2426585611.

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

It is a junction number, because it is equal to n+sod(n) for n = 1165856195 and 1165856204.

It is not an unprimeable number, because it can be changed into a prime (1165856249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283992 + ... + 288067.

It is an arithmetic number, because the mean of its divisors is an integer number (218812950).

Almost surely, 2^1165856242 is an apocalyptic number.

1165856242 is a deficient number, since it is larger than the sum of its proper divisors (584647358).

1165856242 is a wasteful number, since it uses less digits than its factorization.

1165856242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573080.

The product of its digits is 115200, while the sum is 40.

The square root of 1165856242 is about 34144.6370898857. The cubic root of 1165856242 is about 1052.4827844014.

The spelling of 1165856242 in words is "one billion, one hundred sixty-five million, eight hundred fifty-six thousand, two hundred forty-two".