1235253000 has 64 divisors (see below), whose sum is σ = 3853998720. Its totient is φ = 329400000.

The previous prime is 1235252987. The next prime is 1235253007. The reversal of 1235253000 is 3525321.

It is not an unprimeable number, because it can be changed into a prime (1235253007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202876 + ... + 208875.

It is an arithmetic number, because the mean of its divisors is an integer number (60218730).

Almost surely, 2^1235253000 is an apocalyptic number.

1235253000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235253000 is an abundant number, since it is smaller than the sum of its proper divisors (2618745720).

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

1235253000 is a wasteful number, since it uses less digits than its factorization.

1235253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411775 (or 411761 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1235253000 is about 35146.1662205140. The cubic root of 1235253000 is about 1072.9643828759.

Adding to 1235253000 its reverse (3525321), we get a palindrome (1238778321).

The spelling of 1235253000 in words is "one billion, two hundred thirty-five million, two hundred fifty-three thousand".