1231122032 has 20 divisors (see below), whose sum is σ = 2726056176. Its totient is φ = 527623680.

The previous prime is 1231122019. The next prime is 1231122041. The reversal of 1231122032 is 2302211321.

It is a super-2 number, since 2×1231122032² = 3031322915351618048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1231122032.

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, 5495969 + ... + 5496192.

Almost surely, 2^1231122032 is an apocalyptic number.

It is an amenable number.

1231122032 is an abundant number, since it is smaller than the sum of its proper divisors (1494934144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231122032 is a wasteful number, since it uses less digits than its factorization.

1231122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992176 (or 10992170 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1231122032 is about 35087.3486031646. The cubic root of 1231122032 is about 1071.7669677995.

Adding to 1231122032 its reverse (2302211321), we get a palindrome (3533333353).

It can be divided in two parts, 12311 and 22032, that added together give a palindrome (34343).

The spelling of 1231122032 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-two".