1230053513 has 8 divisors (see below), whose sum is σ = 1402595208. Its totient is φ = 1068643584.

The previous prime is 1230053509. The next prime is 1230053519. The reversal of 1230053513 is 3153500321.

It can be written as a sum of positive squares in 4 ways, for example, as 503912704 + 726140809 = 22448^2 + 26947^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1230053513 - 2² = 1230053509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230053519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782706 + ... + 2783147.

It is an arithmetic number, because the mean of its divisors is an integer number (175324401).

Almost surely, 2^1230053513 is an apocalyptic number.

1230053513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230053513 is a deficient number, since it is larger than the sum of its proper divisors (172541695).

1230053513 is a wasteful number, since it uses less digits than its factorization.

1230053513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565883.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1230053513 is about 35072.1187412452. The cubic root of 1230053513 is about 1071.4568076868.

Adding to 1230053513 its reverse (3153500321), we get a palindrome (4383553834).

The spelling of 1230053513 in words is "one billion, two hundred thirty million, fifty-three thousand, five hundred thirteen".