1046642159 has 4 divisors (see below), whose sum is σ = 1047034080. Its totient is φ = 1046250240.

The previous prime is 1046642153. The next prime is 1046642171. The reversal of 1046642159 is 9512466401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9512466401 = 7879 ⋅1207319.

It is a cyclic number.

It is not a de Polignac number, because 1046642159 - 2¹⁶ = 1046576623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046642153) 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, 191927 + ... + 197304.

It is an arithmetic number, because the mean of its divisors is an integer number (261758520).

Almost surely, 2^1046642159 is an apocalyptic number.

1046642159 is a deficient number, since it is larger than the sum of its proper divisors (391921).

1046642159 is an equidigital number, since it uses as much as digits as its factorization.

1046642159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391920.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1046642159 is about 32351.8493907226. The cubic root of 1046642159 is about 1015.3117403319.

It can be divided in two parts, 10466 and 42159, that added together give a palindrome (52625).

The spelling of 1046642159 in words is "one billion, forty-six million, six hundred forty-two thousand, one hundred fifty-nine".