1165151042 has 8 divisors (see below), whose sum is σ = 1906610832. Its totient is φ = 529614100.

The previous prime is 1165151017. The next prime is 1165151047. The reversal of 1165151042 is 2401515611.

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

It is not an unprimeable number, because it can be changed into a prime (1165151047) 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, 26480684 + ... + 26480727.

It is an arithmetic number, because the mean of its divisors is an integer number (238326354).

Almost surely, 2^1165151042 is an apocalyptic number.

1165151042 is a deficient number, since it is larger than the sum of its proper divisors (741459790).

1165151042 is a wasteful number, since it uses less digits than its factorization.

1165151042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52961424.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1165151042 is about 34134.3088695231. The cubic root of 1165151042 is about 1052.2705339449.

Adding to 1165151042 its reverse (2401515611), we get a palindrome (3566666653).

The spelling of 1165151042 in words is "one billion, one hundred sixty-five million, one hundred fifty-one thousand, forty-two".