1230253505 has 16 divisors (see below), whose sum is σ = 1593338880. Its totient is φ = 906510528.

The previous prime is 1230253481. The next prime is 1230253511. The reversal of 1230253505 is 5053520321.

It is a cyclic number.

It is not a de Polignac number, because 1230253505 - 2²² = 1226059201 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 9656 + ... + 50534.

It is an arithmetic number, because the mean of its divisors is an integer number (99583680).

Almost surely, 2^1230253505 is an apocalyptic number.

It is an amenable number.

1230253505 is a deficient number, since it is larger than the sum of its proper divisors (363085375).

1230253505 is a wasteful number, since it uses less digits than its factorization.

1230253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41360.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1230253505 is about 35074.9697790319. The cubic root of 1230253505 is about 1071.5148732304.

Adding to 1230253505 its reverse (5053520321), we get a palindrome (6283773826).

The spelling of 1230253505 in words is "one billion, two hundred thirty million, two hundred fifty-three thousand, five hundred five".