1361018 has 4 divisors (see below), whose sum is σ = 2041530. Its totient is φ = 680508.

The previous prime is 1361011. The next prime is 1361021. The reversal of 1361018 is 8101631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8101631 = 37 ⋅218963.

It can be written as a sum of positive squares in only one way, i.e., 1203409 + 157609 = 1097^2 + 397^2 .

It is not an unprimeable number, because it can be changed into a prime (1361011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340253 + ... + 340256.

2^1361018 is an apocalyptic number.

1361018 is a deficient number, since it is larger than the sum of its proper divisors (680512).

1361018 is an equidigital number, since it uses as much as digits as its factorization.

1361018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680511.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1361018 is about 1166.6267612223. The cubic root of 1361018 is about 110.8208022214.

Adding to 1361018 its reverse (8101631), we get a palindrome (9462649).

The spelling of 1361018 in words is "one million, three hundred sixty-one thousand, eighteen".