1243412134 has 8 divisors (see below), whose sum is σ = 1865465208. Its totient is φ = 621590400.

The previous prime is 1243412099. The next prime is 1243412143. The reversal of 1243412134 is 4312143421.

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 = 1243412099 and 1243412108.

It is a congruent number.

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, 43707 + ... + 66310.

It is an arithmetic number, because the mean of its divisors is an integer number (233183151).

Almost surely, 2^1243412134 is an apocalyptic number.

1243412134 is a deficient number, since it is larger than the sum of its proper divisors (622053074).

1243412134 is a wasteful number, since it uses less digits than its factorization.

1243412134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115670.

The product of its digits is 2304, while the sum is 25.

The square root of 1243412134 is about 35262.0494866648. The cubic root of 1243412134 is about 1075.3215937780.

Adding to 1243412134 its reverse (4312143421), we get a palindrome (5555555555).

The spelling of 1243412134 in words is "one billion, two hundred forty-three million, four hundred twelve thousand, one hundred thirty-four".