1040120318 has 4 divisors (see below), whose sum is σ = 1560180480. Its totient is φ = 520060158.

The previous prime is 1040120311. The next prime is 1040120327. The reversal of 1040120318 is 8130210401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8130210401 = 5281 ⋅1539521.

It is a super-2 number, since 2×1040120318² = 2163700551832842248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040120318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040120311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260030078 + ... + 260030081.

It is an arithmetic number, because the mean of its divisors is an integer number (390045120).

Almost surely, 2^1040120318 is an apocalyptic number.

1040120318 is a deficient number, since it is larger than the sum of its proper divisors (520060162).

1040120318 is an equidigital number, since it uses as much as digits as its factorization.

1040120318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520060161.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1040120318 is about 32250.8963906432. The cubic root of 1040120318 is about 1013.1984732473.

Adding to 1040120318 its reverse (8130210401), we get a palindrome (9170330719).

The spelling of 1040120318 in words is "one billion, forty million, one hundred twenty thousand, three hundred eighteen".