1081816042 has 8 divisors (see below), whose sum is σ = 1623005856. Its totient is φ = 540814092.

The previous prime is 1081816033. The next prime is 1081816051. The reversal of 1081816042 is 2406181801.

It is an interprime number because it is at equal distance from previous prime (1081816033) and next prime (1081816051).

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 = 1081815995 and 1081816013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31558 + ... + 56209.

It is an arithmetic number, because the mean of its divisors is an integer number (202875732).

Almost surely, 2^1081816042 is an apocalyptic number.

1081816042 is a deficient number, since it is larger than the sum of its proper divisors (541189814).

1081816042 is an equidigital number, since it uses as much as digits as its factorization.

1081816042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93932.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 1081816042 is about 32890.9720440123. The cubic root of 1081816042 is about 1026.5603178525.

Adding to 1081816042 its reverse (2406181801), we get a palindrome (3487997843).

The spelling of 1081816042 in words is "one billion, eighty-one million, eight hundred sixteen thousand, forty-two".