1042161318 has 24 divisors (see below), whose sum is σ = 2463290856. Its totient is φ = 315806400.

The previous prime is 1042161299. The next prime is 1042161331. The reversal of 1042161318 is 8131612401.

It is a happy number.

1042161318 is a `hidden beast` number, since 1 + 0 + 42 + 1 + 613 + 1 + 8 = 666.

It is a super-2 number, since 2×1042161318² = 2172200425470994248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1042161291 and 1042161300.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2631523 + ... + 2631918.

It is an arithmetic number, because the mean of its divisors is an integer number (102637119).

Almost surely, 2^1042161318 is an apocalyptic number.

1042161318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1042161318 is an abundant number, since it is smaller than the sum of its proper divisors (1421129538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042161318 is a wasteful number, since it uses less digits than its factorization.

1042161318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263460 (or 5263457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1042161318 is about 32282.5234143801. The cubic root of 1042161318 is about 1013.8607642345.

Adding to 1042161318 its reverse (8131612401), we get a palindrome (9173773719).

The spelling of 1042161318 in words is "one billion, forty-two million, one hundred sixty-one thousand, three hundred eighteen".