1051070018 has 4 divisors (see below), whose sum is σ = 1576605030. Its totient is φ = 525535008.

The previous prime is 1051070011. The next prime is 1051070023. The reversal of 1051070018 is 8100701501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 657563449 + 393506569 = 25643^2 + 19837^2 .

It is a super-2 number, since 2×1051070018² = 2209496365477040648, 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 = 1051069975 and 1051070002.

It is not an unprimeable number, because it can be changed into a prime (1051070011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262767503 + ... + 262767506.

Almost surely, 2^1051070018 is an apocalyptic number.

1051070018 is a deficient number, since it is larger than the sum of its proper divisors (525535012).

1051070018 is an equidigital number, since it uses as much as digits as its factorization.

1051070018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525535011.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1051070018 is about 32420.2100239958. The cubic root of 1051070018 is about 1016.7414975049.

Adding to 1051070018 its reverse (8100701501), we get a palindrome (9151771519).

The spelling of 1051070018 in words is "one billion, fifty-one million, seventy thousand, eighteen".