1230397848289 has 27 divisors (see below), whose sum is σ = 1327143916371. Its totient is φ = 1140469001280.

The previous prime is 1230397848287. The next prime is 1230397848293. The reversal of 1230397848289 is 9828487930321.

It is a happy number.

The square root of 1230397848289 is 1109233.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 957922200225 + 272475648064 = 978735^2 + 521992^2 .

It is not a de Polignac number, because 1230397848289 - 2¹ = 1230397848287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230397848289.

It is not an unprimeable number, because it can be changed into a prime (1230397848287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1338843772 + ... + 1338844690.

Almost surely, 2^{1230397848289} is an apocalyptic number.

1230397848289 is the 1109233-rd square number.

1230397848289 is the 554617-th centered octagonal number.

It is an amenable number.

1230397848289 is a deficient number, since it is larger than the sum of its proper divisors (96746068082).

1230397848289 is an frugal number, since it uses more digits than its factorization.

1230397848289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

Multiplying 1230397848289 by its sum of digits (64), we get a square (78745462290496 = 8873864²).

The spelling of 1230397848289 in words is "one trillion, two hundred thirty billion, three hundred ninety-seven million, eight hundred forty-eight thousand, two hundred eighty-nine".