1231052352 has 56 divisors (see below), whose sum is σ = 3261518496. Its totient is φ = 409801728.

The previous prime is 1231052327. The next prime is 1231052369. The reversal of 1231052352 is 2532501321.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154908 + ... + 162660.

Almost surely, 2^1231052352 is an apocalyptic number.

1231052352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231052352 is an abundant number, since it is smaller than the sum of its proper divisors (2030466144).

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

1231052352 is an equidigital number, since it uses as much as digits as its factorization.

1231052352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595 (or 8585 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1231052352 is about 35086.3556386240. The cubic root of 1231052352 is about 1071.7467471852.

Adding to 1231052352 its reverse (2532501321), we get a palindrome (3763553673).

The spelling of 1231052352 in words is "one billion, two hundred thirty-one million, fifty-two thousand, three hundred fifty-two".