1235131260 has 96 divisors (see below), whose sum is σ = 3994728192. Its totient is φ = 281809920.

The previous prime is 1235131259. The next prime is 1235131279. The reversal of 1235131260 is 621315321.

It is a self number, because there is not a number n which added to its sum of digits gives 1235131260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43822 + ... + 66261.

It is an arithmetic number, because the mean of its divisors is an integer number (41611752).

Almost surely, 2^1235131260 is an apocalyptic number.

1235131260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235131260 is an abundant number, since it is smaller than the sum of its proper divisors (2759596932).

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

1235131260 is a wasteful number, since it uses less digits than its factorization.

1235131260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110123 (or 110121 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1235131260 is about 35144.4342677471. The cubic root of 1235131260 is about 1072.9291331537.

Adding to 1235131260 its reverse (621315321), we get a palindrome (1856446581).

The spelling of 1235131260 in words is "one billion, two hundred thirty-five million, one hundred thirty-one thousand, two hundred sixty".