1235272320 has 96 divisors (see below), whose sum is σ = 4265569620. Its totient is φ = 329404416.

The previous prime is 1235272303. The next prime is 1235272331. The reversal of 1235272320 is 232725321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1172925504 + 62346816 = 34248^2 + 7896^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101469 + ... + 112988.

Almost surely, 2^1235272320 is an apocalyptic number.

1235272320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235272320 is an abundant number, since it is smaller than the sum of its proper divisors (3030297300).

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

1235272320 is a wasteful number, since it uses less digits than its factorization.

1235272320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214482 (or 214467 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1235272320 is about 35146.4410716078. The cubic root of 1235272320 is about 1072.9699767539.

Adding to 1235272320 its reverse (232725321), we get a palindrome (1467997641).

The spelling of 1235272320 in words is "one billion, two hundred thirty-five million, two hundred seventy-two thousand, three hundred twenty".