1235203425 has 120 divisors (see below), whose sum is σ = 2471969016. Its totient is φ = 607426560.

The previous prime is 1235203373. The next prime is 1235203441. The reversal of 1235203425 is 5243025321.

It is a happy number.

1235203425 is a `hidden beast` number, since 1 + 2 + 35 + 203 + 425 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 8242641 + 1226960784 = 2871^2 + 35028^2 .

It is not a de Polignac number, because 1235203425 - 2⁷ = 1235203297 is a prime.

It is a super-2 number, since 2×1235203425² = 3051455002263461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1824187 + ... + 1824863.

Almost surely, 2^1235203425 is an apocalyptic number.

1235203425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1235203425 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1235203425 is a wasteful number, since it uses less digits than its factorization.

1235203425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1235203425 is about 35145.4609444804. The cubic root of 1235203425 is about 1072.9500287528.

Adding to 1235203425 its reverse (5243025321), we get a palindrome (6478228746).

The spelling of 1235203425 in words is "one billion, two hundred thirty-five million, two hundred three thousand, four hundred twenty-five".