1243234134 has 24 divisors (see below), whose sum is σ = 2810791152. Its totient is φ = 396393360.

The previous prime is 1243234133. The next prime is 1243234183. The reversal of 1243234134 is 4314323421.

1243234134 is a `hidden beast` number, since 1 + 243 + 2 + 3 + 413 + 4 = 666.

It is a super-3 number, since 3×1243234134³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1243234098 and 1243234107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243234133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501077 + ... + 1501904.

It is an arithmetic number, because the mean of its divisors is an integer number (117116298).

Almost surely, 2^1243234134 is an apocalyptic number.

1243234134 is an abundant number, since it is smaller than the sum of its proper divisors (1567557018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243234134 is a wasteful number, since it uses less digits than its factorization.

1243234134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003012 (or 3003009 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1243234134 is about 35259.5254363980. The cubic root of 1243234134 is about 1075.2702789664.

Adding to 1243234134 its reverse (4314323421), we get a palindrome (5557557555).

The spelling of 1243234134 in words is "one billion, two hundred forty-three million, two hundred thirty-four thousand, one hundred thirty-four".