1042165131 has 8 divisors (see below), whose sum is σ = 1588061184. Its totient is φ = 595522920.

The previous prime is 1042165027. The next prime is 1042165147. The reversal of 1042165131 is 1315612401.

It is a happy number.

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

It is not a de Polignac number, because 1042165131 - 2¹⁹ = 1041640843 is a prime.

It is a super-2 number, since 2×1042165131² = 2172216320544494322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042165171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24813435 + ... + 24813476.

It is an arithmetic number, because the mean of its divisors is an integer number (198507648).

Almost surely, 2^1042165131 is an apocalyptic number.

1042165131 is a deficient number, since it is larger than the sum of its proper divisors (545896053).

1042165131 is an equidigital number, since it uses as much as digits as its factorization.

1042165131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49626921.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1042165131 is about 32282.5824710478. The cubic root of 1042165131 is about 1013.8620007182.

Adding to 1042165131 its reverse (1315612401), we get a palindrome (2357777532).

The spelling of 1042165131 in words is "one billion, forty-two million, one hundred sixty-five thousand, one hundred thirty-one".