1231052160 has 512 divisors, whose sum is σ = 4584222720. Its totient is φ = 278691840.

The previous prime is 1231052149. The next prime is 1231052209. The reversal of 1231052160 is 612501321.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 28629099 + ... + 28629141.

It is an arithmetic number, because the mean of its divisors is an integer number (8953560).

Almost surely, 2^1231052160 is an apocalyptic number.

1231052160 is a gapful number since it is divisible by the number (10) 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 1231052160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292111360).

1231052160 is an abundant number, since it is smaller than the sum of its proper divisors (3353170560).

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

1231052160 is a wasteful number, since it uses less digits than its factorization.

1231052160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1231052160 is about 35086.3529025175. The cubic root of 1231052160 is about 1071.7466914671.

Adding to 1231052160 its reverse (612501321), we get a palindrome (1843553481).

The spelling of 1231052160 in words is "one billion, two hundred thirty-one million, fifty-two thousand, one hundred sixty".