1235132000 has 144 divisors (see below), whose sum is σ = 3125539872. Its totient is φ = 479673600.

The previous prime is 1235131979. The next prime is 1235132009. The reversal of 1235132000 is 2315321.

It is a self number, because there is not a number n which added to its sum of digits gives 1235132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235132009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7395917 + ... + 7396083.

It is an arithmetic number, because the mean of its divisors is an integer number (21705138).

Almost surely, 2^1235132000 is an apocalyptic number.

1235132000 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 1235132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562769936).

1235132000 is an abundant number, since it is smaller than the sum of its proper divisors (1890407872).

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

1235132000 is an equidigital number, since it uses as much as digits as its factorization.

1235132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1235132000 is about 35144.4447957284. Note that the first 3 decimals coincide. The cubic root of 1235132000 is about 1072.9293474271.

Adding to 1235132000 its reverse (2315321), we get a palindrome (1237447321).

The spelling of 1235132000 in words is "one billion, two hundred thirty-five million, one hundred thirty-two thousand".