1235040000 has 360 divisors, whose sum is σ = 4291026432. Its totient is φ = 314880000.

The previous prime is 1235039989. The next prime is 1235040043. The reversal of 1235040000 is 405321.

1235040000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 39 ways as a sum of consecutive naturals, for example, 14879959 + ... + 14880041.

Almost surely, 2^1235040000 is an apocalyptic number.

1235040000 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 1235040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2145513216).

1235040000 is an abundant number, since it is smaller than the sum of its proper divisors (3055986432).

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

1235040000 is an frugal number, since it uses more digits than its factorization.

1235040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1235040000 is about 35143.1358873963. The cubic root of 1235040000 is about 1072.9027073728.

Adding to 1235040000 its reverse (405321), we get a palindrome (1235445321).

The spelling of 1235040000 in words is "one billion, two hundred thirty-five million, forty thousand".