1235063240 has 64 divisors (see below), whose sum is σ = 2865844800. Its totient is φ = 478796032.

The previous prime is 1235063239. The next prime is 1235063273. The reversal of 1235063240 is 423605321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172451 + ... + 179469.

It is an arithmetic number, because the mean of its divisors is an integer number (44778825).

Almost surely, 2^1235063240 is an apocalyptic number.

1235063240 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 1235063240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432922400).

1235063240 is an abundant number, since it is smaller than the sum of its proper divisors (1630781560).

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

1235063240 is a wasteful number, since it uses less digits than its factorization.

1235063240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 7162 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1235063240 is about 35143.4665336247. The cubic root of 1235063240 is about 1072.9094370070.

Adding to 1235063240 its reverse (423605321), we get a palindrome (1658668561).

The spelling of 1235063240 in words is "one billion, two hundred thirty-five million, sixty-three thousand, two hundred forty".