1230253400 has 24 divisors (see below), whose sum is σ = 2860339620. Its totient is φ = 492101280.

The previous prime is 1230253379. The next prime is 1230253403. The reversal of 1230253400 is 43520321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230253403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3075434 + ... + 3075833.

Almost surely, 2^1230253400 is an apocalyptic number.

1230253400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230253400 is an abundant number, since it is smaller than the sum of its proper divisors (1630086220).

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

1230253400 is a wasteful number, since it uses less digits than its factorization.

1230253400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151283 (or 6151274 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1230253400 is about 35074.9682822380. The cubic root of 1230253400 is about 1071.5148427464.

Adding to 1230253400 its reverse (43520321), we get a palindrome (1273773721).

The spelling of 1230253400 in words is "one billion, two hundred thirty million, two hundred fifty-three thousand, four hundred".