1231122033 has 12 divisors (see below), whose sum is σ = 1779448320. Its totient is φ = 820212216.

The previous prime is 1231122019. The next prime is 1231122041. The reversal of 1231122033 is 3302211321.

It is not a de Polignac number, because 1231122033 - 2²⁹ = 694251121 is a prime.

It is a super-2 number, since 2×1231122033² = 3031322920276106178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231121997 and 1231122015.

It is not an unprimeable number, because it can be changed into a prime (1231122073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29841 + ... + 57902.

It is an arithmetic number, because the mean of its divisors is an integer number (148287360).

Almost surely, 2^1231122033 is an apocalyptic number.

It is an amenable number.

1231122033 is a deficient number, since it is larger than the sum of its proper divisors (548326287).

1231122033 is a wasteful number, since it uses less digits than its factorization.

1231122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89308 (or 89305 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1231122033 is about 35087.3486174148. The cubic root of 1231122033 is about 1071.7669680896.

Adding to 1231122033 its reverse (3302211321), we get a palindrome (4533333354).

The spelling of 1231122033 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-three".