1361212234 has 4 divisors (see below), whose sum is σ = 2041818354. Its totient is φ = 680606116.

The previous prime is 1361212217. The next prime is 1361212241. The reversal of 1361212234 is 4322121631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4322121631 = 16763 ⋅257837.

It can be written as a sum of positive squares in only one way, i.e., 1020994209 + 340218025 = 31953^2 + 18445^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1361212199 and 1361212208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340303057 + ... + 340303060.

Almost surely, 2^1361212234 is an apocalyptic number.

1361212234 is a deficient number, since it is larger than the sum of its proper divisors (680606120).

1361212234 is an equidigital number, since it uses as much as digits as its factorization.

1361212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680606119.

The product of its digits is 1728, while the sum is 25.

The square root of 1361212234 is about 36894.6098231164. The cubic root of 1361212234 is about 1108.2607380093.

Adding to 1361212234 its reverse (4322121631), we get a palindrome (5683333865).

The spelling of 1361212234 in words is "one billion, three hundred sixty-one million, two hundred twelve thousand, two hundred thirty-four".