1206431232 has 80 divisors (see below), whose sum is σ = 3292570512. Its totient is φ = 392314880.

The previous prime is 1206431207. The next prime is 1206431251. The reversal of 1206431232 is 2321346021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53398 + ... + 72554.

Almost surely, 2^1206431232 is an apocalyptic number.

1206431232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206431232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646285256).

1206431232 is an abundant number, since it is smaller than the sum of its proper divisors (2086139280).

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

1206431232 is an equidigital number, since it uses as much as digits as its factorization.

1206431232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219 (or 19203 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1206431232 is about 34733.7189485952. The cubic root of 1206431232 is about 1064.5535778023.

Adding to 1206431232 its reverse (2321346021), we get a palindrome (3527777253).

The spelling of 1206431232 in words is "one billion, two hundred six million, four hundred thirty-one thousand, two hundred thirty-two".