1230208544 has 36 divisors (see below), whose sum is σ = 2531889486. Its totient is φ = 588352512.

The previous prime is 1230208531. The next prime is 1230208579. The reversal of 1230208544 is 4458020321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1066675600 + 163532944 = 32660^2 + 12788^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19409 + ... + 53264.

Almost surely, 2^1230208544 is an apocalyptic number.

It is an amenable number.

1230208544 is an abundant number, since it is smaller than the sum of its proper divisors (1301680942).

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

1230208544 is an equidigital number, since it uses as much as digits as its factorization.

1230208544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72729 (or 72698 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1230208544 is about 35074.3288460378. The cubic root of 1230208544 is about 1071.5018198320.

Adding to 1230208544 its reverse (4458020321), we get a palindrome (5688228865).

The spelling of 1230208544 in words is "one billion, two hundred thirty million, two hundred eight thousand, five hundred forty-four".