1234412345 has 8 divisors (see below), whose sum is σ = 1492603200. Its totient is φ = 979990960.

The previous prime is 1234412327. The next prime is 1234412357. The reversal of 1234412345 is 5432144321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234412345 - 2¹⁸ = 1234150201 is a prime.

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, 941645 + ... + 942954.

It is an arithmetic number, because the mean of its divisors is an integer number (186575400).

Almost surely, 2^1234412345 is an apocalyptic number.

It is an amenable number.

1234412345 is a deficient number, since it is larger than the sum of its proper divisors (258190855).

1234412345 is a wasteful number, since it uses less digits than its factorization.

1234412345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884735.

The product of its digits is 11520, while the sum is 29.

The square root of 1234412345 is about 35134.2047725575. The cubic root of 1234412345 is about 1072.7209246347.

Adding to 1234412345 its reverse (5432144321), we get a palindrome (6666556666).

The spelling of 1234412345 in words is "one billion, two hundred thirty-four million, four hundred twelve thousand, three hundred forty-five".