1230552399 has 8 divisors (see below), whose sum is σ = 1641432880. Its totient is φ = 820020096.

The previous prime is 1230552383. The next prime is 1230552469. The reversal of 1230552399 is 9932550321.

It is a happy number.

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

It is not a de Polignac number, because 1230552399 - 2⁴ = 1230552383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230552899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78682 + ... + 93015.

It is an arithmetic number, because the mean of its divisors is an integer number (205179110).

Almost surely, 2^1230552399 is an apocalyptic number.

1230552399 is a deficient number, since it is larger than the sum of its proper divisors (410880481).

1230552399 is a wasteful number, since it uses less digits than its factorization.

1230552399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174089.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 1230552399 is about 35079.2303079757. The cubic root of 1230552399 is about 1071.6016421854.

The spelling of 1230552399 in words is "one billion, two hundred thirty million, five hundred fifty-two thousand, three hundred ninety-nine".