1231122104 has 16 divisors (see below), whose sum is σ = 2408717520. Its totient is φ = 588797440.

The previous prime is 1231122097. The next prime is 1231122187. The reversal of 1231122104 is 4012211321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345257 + ... + 3345624.

It is an arithmetic number, because the mean of its divisors is an integer number (150544845).

Almost surely, 2^1231122104 is an apocalyptic number.

It is an amenable number.

1231122104 is a deficient number, since it is larger than the sum of its proper divisors (1177595416).

1231122104 is a wasteful number, since it uses less digits than its factorization.

1231122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690910 (or 6690906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1231122104 is about 35087.3496291755. The cubic root of 1231122104 is about 1071.7669886929.

Adding to 1231122104 its reverse (4012211321), we get a palindrome (5243333425).

The spelling of 1231122104 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred four".