1230134442 has 16 divisors (see below), whose sum is σ = 2589756960. Its totient is φ = 388463472.

The previous prime is 1230134417. The next prime is 1230134447. The reversal of 1230134442 is 2444310321.

It is not an unprimeable number, because it can be changed into a prime (1230134447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5395213 + ... + 5395440.

It is an arithmetic number, because the mean of its divisors is an integer number (161859810).

Almost surely, 2^1230134442 is an apocalyptic number.

1230134442 is an abundant number, since it is smaller than the sum of its proper divisors (1359622518).

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

1230134442 is a wasteful number, since it uses less digits than its factorization.

1230134442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790677.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1230134442 is about 35073.2724734947. The cubic root of 1230134442 is about 1071.4803053166.

Adding to 1230134442 its reverse (2444310321), we get a palindrome (3674444763).

The spelling of 1230134442 in words is "one billion, two hundred thirty million, one hundred thirty-four thousand, four hundred forty-two".