1321241234 has 16 divisors (see below), whose sum is σ = 1996738560. Its totient is φ = 655680480.

The previous prime is 1321241191. The next prime is 1321241237. The reversal of 1321241234 is 4321421231.

It is not an unprimeable number, because it can be changed into a prime (1321241237) 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, 145199 + ... + 154029.

It is an arithmetic number, because the mean of its divisors is an integer number (124796160).

Almost surely, 2^1321241234 is an apocalyptic number.

1321241234 is a deficient number, since it is larger than the sum of its proper divisors (675497326).

1321241234 is a wasteful number, since it uses less digits than its factorization.

1321241234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385.

The product of its digits is 1152, while the sum is 23.

The square root of 1321241234 is about 36348.8821561269. The cubic root of 1321241234 is about 1097.3050375367.

Adding to 1321241234 its reverse (4321421231), we get a palindrome (5642662465).

The spelling of 1321241234 in words is "one billion, three hundred twenty-one million, two hundred forty-one thousand, two hundred thirty-four".