1231234032 has 80 divisors (see below), whose sum is σ = 3639267072. Its totient is φ = 351375360.

The previous prime is 1231234031. The next prime is 1231234033. The reversal of 1231234032 is 2304321321.

It is an interprime number because it is at equal distance from previous prime (1231234031) and next prime (1231234033).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231234031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407407 + ... + 410417.

Almost surely, 2^1231234032 is an apocalyptic number.

1231234032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231234032 is an abundant number, since it is smaller than the sum of its proper divisors (2408033040).

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

1231234032 is a wasteful number, since it uses less digits than its factorization.

1231234032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1231234032 is about 35088.9445837289. The cubic root of 1231234032 is about 1071.7994677622.

Adding to 1231234032 its reverse (2304321321), we get a palindrome (3535555353).

The spelling of 1231234032 in words is "one billion, two hundred thirty-one million, two hundred thirty-four thousand, thirty-two".