1235730000 has 200 divisors, whose sum is σ = 4225497408. Its totient is φ = 310016000.

The previous prime is 1235729981. The next prime is 1235730007. The reversal of 1235730000 is 375321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235730007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 508789 + ... + 511211.

Almost surely, 2^1235730000 is an apocalyptic number.

1235730000 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 1235730000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112748704).

1235730000 is an abundant number, since it is smaller than the sum of its proper divisors (2989767408).

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

1235730000 is a wasteful number, since it uses less digits than its factorization.

1235730000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1235730000 is about 35152.9515119286. The cubic root of 1235730000 is about 1073.1024755436.

The spelling of 1235730000 in words is "one billion, two hundred thirty-five million, seven hundred thirty thousand".