1230541505 has 8 divisors (see below), whose sum is σ = 1476849024. Its totient is φ = 984300400.

The previous prime is 1230541493. The next prime is 1230541589. The reversal of 1230541505 is 5051450321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230541505 - 2⁴ = 1230541489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44840 + ... + 66870.

It is an arithmetic number, because the mean of its divisors is an integer number (184606128).

Almost surely, 2^1230541505 is an apocalyptic number.

It is an amenable number.

1230541505 is a deficient number, since it is larger than the sum of its proper divisors (246307519).

1230541505 is a wasteful number, since it uses less digits than its factorization.

1230541505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33207.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1230541505 is about 35079.0750305649. The cubic root of 1230541505 is about 1071.5984799030.

Adding to 1230541505 its reverse (5051450321), we get a palindrome (6281991826).

The spelling of 1230541505 in words is "one billion, two hundred thirty million, five hundred forty-one thousand, five hundred five".