1230217552 has 20 divisors (see below), whose sum is σ = 2419123936. Its totient is φ = 605927520.

The previous prime is 1230217519. The next prime is 1230217559. The reversal of 1230217552 is 2557120321.

It is a super-4 number, since 4×1230217552⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230217552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230217559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572724 + ... + 574867.

Almost surely, 2^1230217552 is an apocalyptic number.

It is an amenable number.

1230217552 is a deficient number, since it is larger than the sum of its proper divisors (1188906384).

1230217552 is a wasteful number, since it uses less digits than its factorization.

1230217552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147666 (or 1147660 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1230217552 is about 35074.4572588087. The cubic root of 1230217552 is about 1071.5044351243.

Adding to 1230217552 its reverse (2557120321), we get a palindrome (3787337873).

The spelling of 1230217552 in words is "one billion, two hundred thirty million, two hundred seventeen thousand, five hundred fifty-two".