1235421152 has 24 divisors (see below), whose sum is σ = 2779698096. Its totient is φ = 529466112.

The previous prime is 1235421067. The next prime is 1235421163. The reversal of 1235421152 is 2511245321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757413 + ... + 2757860.

It is an arithmetic number, because the mean of its divisors is an integer number (115820754).

Almost surely, 2^1235421152 is an apocalyptic number.

It is an amenable number.

1235421152 is an abundant number, since it is smaller than the sum of its proper divisors (1544276944).

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

1235421152 is an equidigital number, since it uses as much as digits as its factorization.

1235421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515290 (or 5515282 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1235421152 is about 35148.5583203636. The cubic root of 1235421152 is about 1073.0130673481.

Adding to 1235421152 its reverse (2511245321), we get a palindrome (3746666473).

The spelling of 1235421152 in words is "one billion, two hundred thirty-five million, four hundred twenty-one thousand, one hundred fifty-two".