1235421325 has 12 divisors (see below), whose sum is σ = 1612550560. Its totient is φ = 936318960.

The previous prime is 1235421323. The next prime is 1235421403. The reversal of 1235421325 is 5231245321.

It is not a de Polignac number, because 1235421325 - 2¹ = 1235421323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1235421293 and 1235421302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235421323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1299969 + ... + 1300918.

Almost surely, 2^1235421325 is an apocalyptic number.

It is an amenable number.

1235421325 is a deficient number, since it is larger than the sum of its proper divisors (377129235).

1235421325 is a wasteful number, since it uses less digits than its factorization.

1235421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600916 (or 2600911 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1235421325 is about 35148.5607813464. The cubic root of 1235421325 is about 1073.0131174339.

Adding to 1235421325 its reverse (5231245321), we get a palindrome (6466666646).

The spelling of 1235421325 in words is "one billion, two hundred thirty-five million, four hundred twenty-one thousand, three hundred twenty-five".