1234125442 has 16 divisors (see below), whose sum is σ = 2042172000. Its totient is φ = 554662240.

The previous prime is 1234125437. The next prime is 1234125443. The reversal of 1234125442 is 2445214321.

It is a self number, because there is not a number n which added to its sum of digits gives 1234125442.

It is not an unprimeable number, because it can be changed into a prime (1234125443) 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, 313192 + ... + 317107.

It is an arithmetic number, because the mean of its divisors is an integer number (127635750).

Almost surely, 2^1234125442 is an apocalyptic number.

1234125442 is a deficient number, since it is larger than the sum of its proper divisors (808046558).

1234125442 is a wasteful number, since it uses less digits than its factorization.

1234125442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630401.

The product of its digits is 7680, while the sum is 28.

The square root of 1234125442 is about 35130.1215767893. The cubic root of 1234125442 is about 1072.6378106737.

Adding to 1234125442 its reverse (2445214321), we get a palindrome (3679339763).

The spelling of 1234125442 in words is "one billion, two hundred thirty-four million, one hundred twenty-five thousand, four hundred forty-two".