1231122334 has 64 divisors (see below), whose sum is σ = 2146435200. Its totient is φ = 525127680.

The previous prime is 1231122331. The next prime is 1231122407. The reversal of 1231122334 is 4332211321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231122331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3653014 + ... + 3653350.

It is an arithmetic number, because the mean of its divisors is an integer number (33538050).

Almost surely, 2^1231122334 is an apocalyptic number.

1231122334 is a deficient number, since it is larger than the sum of its proper divisors (915312866).

1231122334 is a wasteful number, since it uses less digits than its factorization.

1231122334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 864, while the sum is 22.

The square root of 1231122334 is about 35087.3529067098. The cubic root of 1231122334 is about 1071.7670554359.

Adding to 1231122334 its reverse (4332211321), we get a palindrome (5563333655).

The spelling of 1231122334 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, three hundred thirty-four".