1243132234 has 16 divisors (see below), whose sum is σ = 1911287808. Its totient is φ = 606132432.

The previous prime is 1243132223. The next prime is 1243132243. The reversal of 1243132234 is 4322313421.

It is a junction number, because it is equal to n+sod(n) for n = 1243132199 and 1243132208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167 + ... + 49909.

It is an arithmetic number, because the mean of its divisors is an integer number (119455488).

Almost surely, 2^1243132234 is an apocalyptic number.

1243132234 is a deficient number, since it is larger than the sum of its proper divisors (668155574).

1243132234 is a wasteful number, since it uses less digits than its factorization.

1243132234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48069.

The product of its digits is 3456, while the sum is 25.

The square root of 1243132234 is about 35258.0804071918. The cubic root of 1243132234 is about 1075.2409004736.

Adding to 1243132234 its reverse (4322313421), we get a palindrome (5565445655).

The spelling of 1243132234 in words is "one billion, two hundred forty-three million, one hundred thirty-two thousand, two hundred thirty-four".